# CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147

CVE-2026-0891 is fixed in 450 products on 3 platforms, first by Firefox Developer Edition (ach) 147.0, released December 22, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-0891
- Priority: High
- CVSS: 8.1 (Important)
- EPSS: 0.0048
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 13, 2026
- Weakness: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-0891

## Description

Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Firefox Developer Edition (ach) | 147.0 | [Firefox Developer Edition (ach) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ach-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (af) | 147.0 | [Firefox Developer Edition (af) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.af-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (an) | 147.0 | [Firefox Developer Edition (an) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.an-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ar) | 147.0 | [Firefox Developer Edition (ar) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ar-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ast) | 147.0 | [Firefox Developer Edition (ast) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ast-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (az) | 147.0 | [Firefox Developer Edition (az) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.az-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (be) | 147.0 | [Firefox Developer Edition (be) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.be-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (bg) | 147.0 | [Firefox Developer Edition (bg) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bg-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (bn) | 147.0 | [Firefox Developer Edition (bn) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bn-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (br) | 147.0 | [Firefox Developer Edition (br) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.br-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (bs) | 147.0 | [Firefox Developer Edition (bs) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bs-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ca) | 147.0 | [Firefox Developer Edition (ca) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ca-valencia) | 147.0 | [Firefox Developer Edition (ca-valencia) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-valencia-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (cak) | 147.0 | [Firefox Developer Edition (cak) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cak-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (cs) | 147.0 | [Firefox Developer Edition (cs) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cs-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (cy) | 147.0 | [Firefox Developer Edition (cy) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cy-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (da) | 147.0 | [Firefox Developer Edition (da) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.da-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (de) | 147.0 | [Firefox Developer Edition (de) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.de-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (dsb) | 147.0 | [Firefox Developer Edition (dsb) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.dsb-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (el) | 147.0 | [Firefox Developer Edition (el) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.el-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (en-CA) | 147.0 | [Firefox Developer Edition (en-CA) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-ca-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (en-GB) | 147.0 | [Firefox Developer Edition (en-GB) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-gb-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (en-US) | 147.0 | [Firefox Developer Edition (en-US) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (eo) | 147.0 | [Firefox Developer Edition (eo) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eo-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (es-AR) | 147.0 | [Firefox Developer Edition (es-AR) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-ar-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (es-CL) | 147.0 | [Firefox Developer Edition (es-CL) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-cl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (es-ES) | 147.0 | [Firefox Developer Edition (es-ES) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-es-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (es-MX) | 147.0 | [Firefox Developer Edition (es-MX) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-mx-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (et) | 147.0 | [Firefox Developer Edition (et) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.et-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (eu) | 147.0 | [Firefox Developer Edition (eu) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eu-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (fa) | 147.0 | [Firefox Developer Edition (fa) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fa-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ff) | 147.0 | [Firefox Developer Edition (ff) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ff-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (fi) | 147.0 | [Firefox Developer Edition (fi) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fi-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (fr) | 147.0 | [Firefox Developer Edition (fr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fr-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (fur) | 147.0 | [Firefox Developer Edition (fur) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fur-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (fy-NL) | 147.0 | [Firefox Developer Edition (fy-NL) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fy-nl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ga-IE) | 147.0 | [Firefox Developer Edition (ga-IE) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ga-ie-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (gd) | 147.0 | [Firefox Developer Edition (gd) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gd-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (gl) | 147.0 | [Firefox Developer Edition (gl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (gn) | 147.0 | [Firefox Developer Edition (gn) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gn-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (gu-IN) | 147.0 | [Firefox Developer Edition (gu-IN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gu-in-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (he) | 147.0 | [Firefox Developer Edition (he) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.he-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (hi-IN) | 147.0 | [Firefox Developer Edition (hi-IN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hi-in-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (hr) | 147.0 | [Firefox Developer Edition (hr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hr-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (hsb) | 147.0 | [Firefox Developer Edition (hsb) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hsb-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (hu) | 147.0 | [Firefox Developer Edition (hu) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hu-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (hy-AM) | 147.0 | [Firefox Developer Edition (hy-AM) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hy-am-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ia) | 147.0 | [Firefox Developer Edition (ia) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ia-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (id) | 147.0 | [Firefox Developer Edition (id) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.id-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (is) | 147.0 | [Firefox Developer Edition (is) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.is-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (it) | 147.0 | [Firefox Developer Edition (it) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.it-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ja) | 147.0 | [Firefox Developer Edition (ja) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ja-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ka) | 147.0 | [Firefox Developer Edition (ka) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ka-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (kab) | 147.0 | [Firefox Developer Edition (kab) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kab-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (kk) | 147.0 | [Firefox Developer Edition (kk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kk-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (km) | 147.0 | [Firefox Developer Edition (km) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.km-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (kn) | 147.0 | [Firefox Developer Edition (kn) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kn-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ko) | 147.0 | [Firefox Developer Edition (ko) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ko-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (lij) | 147.0 | [Firefox Developer Edition (lij) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lij-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (lt) | 147.0 | [Firefox Developer Edition (lt) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lt-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (lv) | 147.0 | [Firefox Developer Edition (lv) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lv-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (mk) | 147.0 | [Firefox Developer Edition (mk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mk-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (mr) | 147.0 | [Firefox Developer Edition (mr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mr-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ms) | 147.0 | [Firefox Developer Edition (ms) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ms-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (my) | 147.0 | [Firefox Developer Edition (my) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.my-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (nb-NO) | 147.0 | [Firefox Developer Edition (nb-NO) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nb-no-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ne-NP) | 147.0 | [Firefox Developer Edition (ne-NP) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ne-np-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (nl) | 147.0 | [Firefox Developer Edition (nl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (nn-NO) | 147.0 | [Firefox Developer Edition (nn-NO) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nn-no-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (oc) | 147.0 | [Firefox Developer Edition (oc) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.oc-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (pa-IN) | 147.0 | [Firefox Developer Edition (pa-IN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pa-in-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (pl) | 147.0 | [Firefox Developer Edition (pl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (pt-BR) | 147.0 | [Firefox Developer Edition (pt-BR) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-br-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (pt-PT) | 147.0 | [Firefox Developer Edition (pt-PT) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-pt-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (rm) | 147.0 | [Firefox Developer Edition (rm) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.rm-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ro) | 147.0 | [Firefox Developer Edition (ro) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ro-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ru) | 147.0 | [Firefox Developer Edition (ru) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ru-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (sc) | 147.0 | [Firefox Developer Edition (sc) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sc-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (sco) | 147.0 | [Firefox Developer Edition (sco) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sco-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (si) | 147.0 | [Firefox Developer Edition (si) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.si-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (sk) | 147.0 | [Firefox Developer Edition (sk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sk-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (sl) | 147.0 | [Firefox Developer Edition (sl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (son) | 147.0 | [Firefox Developer Edition (son) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.son-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (sq) | 147.0 | [Firefox Developer Edition (sq) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sq-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (sr) | 147.0 | [Firefox Developer Edition (sr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sr-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (sv-SE) | 147.0 | [Firefox Developer Edition (sv-SE) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sv-se-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (szl) | 147.0 | [Firefox Developer Edition (szl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.szl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ta) | 147.0 | [Firefox Developer Edition (ta) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ta-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (te) | 147.0 | [Firefox Developer Edition (te) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.te-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (tg) | 147.0 | [Firefox Developer Edition (tg) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tg-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (th) | 147.0 | [Firefox Developer Edition (th) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.th-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (tl) | 147.0 | [Firefox Developer Edition (tl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tl-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (tr) | 147.0 | [Firefox Developer Edition (tr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tr-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (trs) | 147.0 | [Firefox Developer Edition (trs) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.trs-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (uk) | 147.0 | [Firefox Developer Edition (uk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uk-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (ur) | 147.0 | [Firefox Developer Edition (ur) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ur-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (uz) | 147.0 | [Firefox Developer Edition (uz) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uz-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (vi) | 147.0 | [Firefox Developer Edition (vi) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.vi-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (xh) | 147.0 | [Firefox Developer Edition (xh) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.xh-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (zh-CN) | 147.0 | [Firefox Developer Edition (zh-CN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-cn-147.0.md) | Dec 22, 2025 |
| Windows apps | Firefox Developer Edition (zh-TW) | 147.0 | [Firefox Developer Edition (zh-TW) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-tw-147.0.md) | Dec 22, 2025 |
| Windows apps | Mozilla Firefox (ach) | 147.0 | [Mozilla Firefox (ach) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ach-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (af) | 147.0 | [Mozilla Firefox (af) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.af-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (an) | 147.0 | [Mozilla Firefox (an) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.an-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ar) | 147.0 | [Mozilla Firefox (ar) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ar-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ast) | 147.0 | [Mozilla Firefox (ast) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ast-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (az) | 147.0 | [Mozilla Firefox (az) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.az-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (be) | 147.0 | [Mozilla Firefox (be) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.be-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (bg) | 147.0 | [Mozilla Firefox (bg) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bg-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (bn) | 147.0 | [Mozilla Firefox (bn) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bn-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (br) | 147.0 | [Mozilla Firefox (br) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.br-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (bs) | 147.0 | [Mozilla Firefox (bs) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bs-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ca) | 147.0 | [Mozilla Firefox (ca) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ca-valencia) | 147.0 | [Mozilla Firefox (ca-valencia) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-valencia-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (cak) | 147.0 | [Mozilla Firefox (cak) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cak-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (cs) | 147.0 | [Mozilla Firefox (cs) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cs-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (cy) | 147.0 | [Mozilla Firefox (cy) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cy-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (da) | 147.0 | [Mozilla Firefox (da) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.da-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (de) | 147.0 | [Mozilla Firefox (de) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.de-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (dsb) | 147.0 | [Mozilla Firefox (dsb) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.dsb-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (el) | 147.0 | [Mozilla Firefox (el) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.el-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (en-CA) | 147.0 | [Mozilla Firefox (en-CA) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-ca-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (en-GB) | 147.0 | [Mozilla Firefox (en-GB) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-gb-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (en-US) | 147.0 | [Mozilla Firefox (en-US) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (eo) | 147.0 | [Mozilla Firefox (eo) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eo-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (es-AR) | 147.0 | [Mozilla Firefox (es-AR) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-ar-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (es-CL) | 147.0 | [Mozilla Firefox (es-CL) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-cl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (es-ES) | 147.0 | [Mozilla Firefox (es-ES) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-es-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (es-MX) | 147.0 | [Mozilla Firefox (es-MX) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-mx-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (et) | 147.0 | [Mozilla Firefox (et) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.et-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (eu) | 147.0 | [Mozilla Firefox (eu) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eu-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (fa) | 147.0 | [Mozilla Firefox (fa) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fa-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ff) | 147.0 | [Mozilla Firefox (ff) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ff-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (fi) | 147.0 | [Mozilla Firefox (fi) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fi-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (fr) | 147.0 | [Mozilla Firefox (fr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (fur) | 147.0 | [Mozilla Firefox (fur) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fur-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (fy-NL) | 147.0 | [Mozilla Firefox (fy-NL) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fy-nl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ga-IE) | 147.0 | [Mozilla Firefox (ga-IE) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ga-ie-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (gd) | 147.0 | [Mozilla Firefox (gd) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gd-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (gl) | 147.0 | [Mozilla Firefox (gl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (gn) | 147.0 | [Mozilla Firefox (gn) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gn-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (gu-IN) | 147.0 | [Mozilla Firefox (gu-IN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gu-in-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (he) | 147.0 | [Mozilla Firefox (he) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.he-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (hi-IN) | 147.0 | [Mozilla Firefox (hi-IN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hi-in-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (hr) | 147.0 | [Mozilla Firefox (hr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (hsb) | 147.0 | [Mozilla Firefox (hsb) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hsb-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (hu) | 147.0 | [Mozilla Firefox (hu) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hu-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (hy-AM) | 147.0 | [Mozilla Firefox (hy-AM) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hy-am-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ia) | 147.0 | [Mozilla Firefox (ia) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ia-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (id) | 147.0 | [Mozilla Firefox (id) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.id-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (is) | 147.0 | [Mozilla Firefox (is) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.is-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (it) | 147.0 | [Mozilla Firefox (it) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.it-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ja) | 147.0 | [Mozilla Firefox (ja) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ja-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ka) | 147.0 | [Mozilla Firefox (ka) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ka-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (kab) | 147.0 | [Mozilla Firefox (kab) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kab-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (kk) | 147.0 | [Mozilla Firefox (kk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kk-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (km) | 147.0 | [Mozilla Firefox (km) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.km-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (kn) | 147.0 | [Mozilla Firefox (kn) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kn-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ko) | 147.0 | [Mozilla Firefox (ko) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ko-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (lij) | 147.0 | [Mozilla Firefox (lij) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lij-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (lt) | 147.0 | [Mozilla Firefox (lt) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lt-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (lv) | 147.0 | [Mozilla Firefox (lv) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lv-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (mk) | 147.0 | [Mozilla Firefox (mk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mk-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (mr) | 147.0 | [Mozilla Firefox (mr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ms) | 147.0 | [Mozilla Firefox (ms) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ms-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (my) | 147.0 | [Mozilla Firefox (my) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.my-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (nb-NO) | 147.0 | [Mozilla Firefox (nb-NO) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nb-no-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ne-NP) | 147.0 | [Mozilla Firefox (ne-NP) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ne-np-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (nl) | 147.0 | [Mozilla Firefox (nl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (nn-NO) | 147.0 | [Mozilla Firefox (nn-NO) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nn-no-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (oc) | 147.0 | [Mozilla Firefox (oc) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.oc-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (pa-IN) | 147.0 | [Mozilla Firefox (pa-IN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pa-in-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (pl) | 147.0 | [Mozilla Firefox (pl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (pt-BR) | 147.0 | [Mozilla Firefox (pt-BR) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-br-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (pt-PT) | 147.0 | [Mozilla Firefox (pt-PT) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-pt-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (rm) | 147.0 | [Mozilla Firefox (rm) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.rm-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ro) | 147.0 | [Mozilla Firefox (ro) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ro-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ru) | 147.0 | [Mozilla Firefox (ru) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ru-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (sc) | 147.0 | [Mozilla Firefox (sc) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sc-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (sco) | 147.0 | [Mozilla Firefox (sco) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sco-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (si) | 147.0 | [Mozilla Firefox (si) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.si-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (sk) | 147.0 | [Mozilla Firefox (sk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sk-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (sl) | 147.0 | [Mozilla Firefox (sl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (son) | 147.0 | [Mozilla Firefox (son) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.son-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (sq) | 147.0 | [Mozilla Firefox (sq) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sq-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (sr) | 147.0 | [Mozilla Firefox (sr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (sv-SE) | 147.0 | [Mozilla Firefox (sv-SE) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sv-se-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (szl) | 147.0 | [Mozilla Firefox (szl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.szl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ta) | 147.0 | [Mozilla Firefox (ta) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ta-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (te) | 147.0 | [Mozilla Firefox (te) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.te-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (tg) | 147.0 | [Mozilla Firefox (tg) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tg-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (th) | 147.0 | [Mozilla Firefox (th) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.th-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (tl) | 147.0 | [Mozilla Firefox (tl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (tr) | 147.0 | [Mozilla Firefox (tr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (trs) | 147.0 | [Mozilla Firefox (trs) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.trs-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (uk) | 147.0 | [Mozilla Firefox (uk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uk-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (ur) | 147.0 | [Mozilla Firefox (ur) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ur-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (uz) | 147.0 | [Mozilla Firefox (uz) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uz-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (vi) | 147.0 | [Mozilla Firefox (vi) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.vi-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (xh) | 147.0 | [Mozilla Firefox (xh) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.xh-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (zh-CN) | 147.0 | [Mozilla Firefox (zh-CN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-cn-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox (zh-TW) | 147.0 | [Mozilla Firefox (zh-TW) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-tw-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Firefox ESR (ach) | 153.0.0 | [Mozilla Firefox ESR (ach) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ach-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (af) | 153.0.0 | [Mozilla Firefox ESR (af) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.af-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (an) | 153.0.0 | [Mozilla Firefox ESR (an) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.an-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ar) | 153.0.0 | [Mozilla Firefox ESR (ar) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ar-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ast) | 153.0.0 | [Mozilla Firefox ESR (ast) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ast-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (az) | 153.0.0 | [Mozilla Firefox ESR (az) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.az-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (be) | 153.0.0 | [Mozilla Firefox ESR (be) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.be-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (bg) | 153.0.0 | [Mozilla Firefox ESR (bg) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bg-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (bn) | 153.0.0 | [Mozilla Firefox ESR (bn) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bn-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (br) | 153.0.0 | [Mozilla Firefox ESR (br) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.br-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (bs) | 153.0.0 | [Mozilla Firefox ESR (bs) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bs-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ca) | 153.0.0 | [Mozilla Firefox ESR (ca) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ca-valencia) | 153.0.0 | [Mozilla Firefox ESR (ca-valencia) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-valencia-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (cak) | 153.0.0 | [Mozilla Firefox ESR (cak) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cak-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (cs) | 153.0.0 | [Mozilla Firefox ESR (cs) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cs-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (cy) | 153.0.0 | [Mozilla Firefox ESR (cy) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cy-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (da) | 153.0.0 | [Mozilla Firefox ESR (da) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.da-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (de) | 153.0.0 | [Mozilla Firefox ESR (de) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.de-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (dsb) | 153.0.0 | [Mozilla Firefox ESR (dsb) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.dsb-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (el) | 153.0.0 | [Mozilla Firefox ESR (el) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.el-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (en-CA) | 153.0.0 | [Mozilla Firefox ESR (en-CA) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-ca-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (en-GB) | 153.0.0 | [Mozilla Firefox ESR (en-GB) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-gb-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (en-US) | 153.0.0 | [Mozilla Firefox ESR (en-US) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (eo) | 153.0.0 | [Mozilla Firefox ESR (eo) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eo-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (es-AR) | 153.0.0 | [Mozilla Firefox ESR (es-AR) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-ar-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (es-CL) | 153.0.0 | [Mozilla Firefox ESR (es-CL) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-cl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (es-ES) | 153.0.0 | [Mozilla Firefox ESR (es-ES) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-es-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (es-MX) | 153.0.0 | [Mozilla Firefox ESR (es-MX) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-mx-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (et) | 153.0.0 | [Mozilla Firefox ESR (et) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.et-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (eu) | 153.0.0 | [Mozilla Firefox ESR (eu) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eu-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (fa) | 153.0.0 | [Mozilla Firefox ESR (fa) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fa-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ff) | 153.0.0 | [Mozilla Firefox ESR (ff) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ff-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (fi) | 153.0.0 | [Mozilla Firefox ESR (fi) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fi-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (fr) | 153.0.0 | [Mozilla Firefox ESR (fr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fr-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (fur) | 153.0.0 | [Mozilla Firefox ESR (fur) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fur-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (fy-NL) | 153.0.0 | [Mozilla Firefox ESR (fy-NL) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fy-nl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ga-IE) | 153.0.0 | [Mozilla Firefox ESR (ga-IE) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ga-ie-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (gd) | 153.0.0 | [Mozilla Firefox ESR (gd) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gd-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (gl) | 153.0.0 | [Mozilla Firefox ESR (gl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (gn) | 153.0.0 | [Mozilla Firefox ESR (gn) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gn-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (gu-IN) | 153.0.0 | [Mozilla Firefox ESR (gu-IN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gu-in-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (he) | 153.0.0 | [Mozilla Firefox ESR (he) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.he-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (hi-IN) | 153.0.0 | [Mozilla Firefox ESR (hi-IN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hi-in-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (hr) | 153.0.0 | [Mozilla Firefox ESR (hr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hr-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (hsb) | 153.0.0 | [Mozilla Firefox ESR (hsb) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hsb-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (hu) | 153.0.0 | [Mozilla Firefox ESR (hu) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hu-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (hy-AM) | 153.0.0 | [Mozilla Firefox ESR (hy-AM) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hy-am-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ia) | 153.0.0 | [Mozilla Firefox ESR (ia) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ia-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (id) | 153.0.0 | [Mozilla Firefox ESR (id) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.id-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (is) | 153.0.0 | [Mozilla Firefox ESR (is) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.is-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (it) | 153.0.0 | [Mozilla Firefox ESR (it) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.it-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ja) | 153.0.0 | [Mozilla Firefox ESR (ja) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ja-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ka) | 153.0.0 | [Mozilla Firefox ESR (ka) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ka-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (kab) | 153.0.0 | [Mozilla Firefox ESR (kab) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kab-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (kk) | 153.0.0 | [Mozilla Firefox ESR (kk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kk-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (km) | 153.0.0 | [Mozilla Firefox ESR (km) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.km-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (kn) | 153.0.0 | [Mozilla Firefox ESR (kn) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kn-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ko) | 153.0.0 | [Mozilla Firefox ESR (ko) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ko-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (lij) | 153.0.0 | [Mozilla Firefox ESR (lij) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lij-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (lt) | 153.0.0 | [Mozilla Firefox ESR (lt) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lt-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (lv) | 153.0.0 | [Mozilla Firefox ESR (lv) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lv-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (mk) | 153.0.0 | [Mozilla Firefox ESR (mk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mk-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (mr) | 153.0.0 | [Mozilla Firefox ESR (mr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mr-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ms) | 153.0.0 | [Mozilla Firefox ESR (ms) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ms-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (my) | 153.0.0 | [Mozilla Firefox ESR (my) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.my-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (nb-NO) | 153.0.0 | [Mozilla Firefox ESR (nb-NO) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nb-no-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ne-NP) | 153.0.0 | [Mozilla Firefox ESR (ne-NP) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ne-np-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (nl) | 153.0.0 | [Mozilla Firefox ESR (nl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (nn-NO) | 153.0.0 | [Mozilla Firefox ESR (nn-NO) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nn-no-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (oc) | 153.0.0 | [Mozilla Firefox ESR (oc) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.oc-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (pa-IN) | 153.0.0 | [Mozilla Firefox ESR (pa-IN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pa-in-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (pl) | 153.0.0 | [Mozilla Firefox ESR (pl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (pt-BR) | 153.0.0 | [Mozilla Firefox ESR (pt-BR) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-br-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (pt-PT) | 153.0.0 | [Mozilla Firefox ESR (pt-PT) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-pt-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (rm) | 153.0.0 | [Mozilla Firefox ESR (rm) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.rm-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ro) | 153.0.0 | [Mozilla Firefox ESR (ro) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ro-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ru) | 153.0.0 | [Mozilla Firefox ESR (ru) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ru-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sat) | 153.0.0 | [Mozilla Firefox ESR (sat) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sat-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sc) | 153.0.0 | [Mozilla Firefox ESR (sc) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sc-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sco) | 153.0.0 | [Mozilla Firefox ESR (sco) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sco-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (si) | 153.0.0 | [Mozilla Firefox ESR (si) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.si-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sk) | 153.0.0 | [Mozilla Firefox ESR (sk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sk-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sl) | 153.0.0 | [Mozilla Firefox ESR (sl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (son) | 153.0.0 | [Mozilla Firefox ESR (son) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.son-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sq) | 153.0.0 | [Mozilla Firefox ESR (sq) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sq-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sr) | 153.0.0 | [Mozilla Firefox ESR (sr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sr-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sv-SE) | 153.0.0 | [Mozilla Firefox ESR (sv-SE) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sv-se-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (szl) | 153.0.0 | [Mozilla Firefox ESR (szl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.szl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ta) | 153.0.0 | [Mozilla Firefox ESR (ta) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ta-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (te) | 153.0.0 | [Mozilla Firefox ESR (te) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.te-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (tg) | 153.0.0 | [Mozilla Firefox ESR (tg) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tg-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (th) | 153.0.0 | [Mozilla Firefox ESR (th) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.th-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (tl) | 153.0.0 | [Mozilla Firefox ESR (tl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tl-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (tr) | 153.0.0 | [Mozilla Firefox ESR (tr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tr-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (trs) | 153.0.0 | [Mozilla Firefox ESR (trs) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.trs-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (uk) | 153.0.0 | [Mozilla Firefox ESR (uk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uk-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (ur) | 153.0.0 | [Mozilla Firefox ESR (ur) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ur-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (uz) | 153.0.0 | [Mozilla Firefox ESR (uz) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uz-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (vi) | 153.0.0 | [Mozilla Firefox ESR (vi) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.vi-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (xh) | 153.0.0 | [Mozilla Firefox ESR (xh) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.xh-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (zh-CN) | 153.0.0 | [Mozilla Firefox ESR (zh-CN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-cn-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (zh-TW) | 153.0.0 | [Mozilla Firefox ESR (zh-TW) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-tw-153.0.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Thunderbird (af) | 147.0 | [Mozilla Thunderbird (af) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.af-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ar) | 147.0 | [Mozilla Thunderbird (ar) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ar-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ast) | 147.0 | [Mozilla Thunderbird (ast) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ast-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (be) | 147.0 | [Mozilla Thunderbird (be) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.be-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (bg) | 147.0 | [Mozilla Thunderbird (bg) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.bg-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (br) | 147.0 | [Mozilla Thunderbird (br) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.br-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ca) | 147.0 | [Mozilla Thunderbird (ca) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ca-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (cak) | 147.0 | [Mozilla Thunderbird (cak) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cak-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (cs) | 147.0 | [Mozilla Thunderbird (cs) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cs-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (cy) | 147.0 | [Mozilla Thunderbird (cy) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cy-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (da) | 147.0 | [Mozilla Thunderbird (da) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.da-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (de) | 147.0 | [Mozilla Thunderbird (de) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.de-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (dsb) | 147.0 | [Mozilla Thunderbird (dsb) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.dsb-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (el) | 147.0 | [Mozilla Thunderbird (el) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.el-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (en-CA) | 147.0 | [Mozilla Thunderbird (en-CA) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-ca-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (en-GB) | 147.0 | [Mozilla Thunderbird (en-GB) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-gb-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (en-US) | 147.0 | [Mozilla Thunderbird (en-US) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (es-AR) | 147.0 | [Mozilla Thunderbird (es-AR) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-ar-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (es-ES) | 147.0 | [Mozilla Thunderbird (es-ES) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-es-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (es-MX) | 147.0 | [Mozilla Thunderbird (es-MX) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-mx-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (et) | 147.0 | [Mozilla Thunderbird (et) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.et-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (eu) | 147.0 | [Mozilla Thunderbird (eu) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.eu-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (fi) | 147.0 | [Mozilla Thunderbird (fi) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fi-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (fr) | 147.0 | [Mozilla Thunderbird (fr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (fy-NL) | 147.0 | [Mozilla Thunderbird (fy-NL) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fy-nl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ga-IE) | 147.0 | [Mozilla Thunderbird (ga-IE) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ga-ie-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (gd) | 147.0 | [Mozilla Thunderbird (gd) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gd-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (gl) | 147.0 | [Mozilla Thunderbird (gl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (he) | 147.0 | [Mozilla Thunderbird (he) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.he-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (hr) | 147.0 | [Mozilla Thunderbird (hr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (hsb) | 147.0 | [Mozilla Thunderbird (hsb) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hsb-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (hu) | 147.0 | [Mozilla Thunderbird (hu) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hu-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (hy-AM) | 147.0 | [Mozilla Thunderbird (hy-AM) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hy-am-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (id) | 147.0 | [Mozilla Thunderbird (id) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.id-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (is) | 147.0 | [Mozilla Thunderbird (is) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.is-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (it) | 147.0 | [Mozilla Thunderbird (it) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.it-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ja) | 147.0 | [Mozilla Thunderbird (ja) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ja-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ka) | 147.0 | [Mozilla Thunderbird (ka) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ka-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (kab) | 147.0 | [Mozilla Thunderbird (kab) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kab-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (kk) | 147.0 | [Mozilla Thunderbird (kk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kk-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ko) | 147.0 | [Mozilla Thunderbird (ko) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ko-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (lt) | 147.0 | [Mozilla Thunderbird (lt) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lt-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (lv) | 147.0 | [Mozilla Thunderbird (lv) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lv-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ms) | 147.0 | [Mozilla Thunderbird (ms) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ms-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (nb-NO) | 147.0 | [Mozilla Thunderbird (nb-NO) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nb-no-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (nl) | 147.0 | [Mozilla Thunderbird (nl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (nn-NO) | 147.0 | [Mozilla Thunderbird (nn-NO) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nn-no-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (pa-IN) | 147.0 | [Mozilla Thunderbird (pa-IN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pa-in-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (pl) | 147.0 | [Mozilla Thunderbird (pl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (pt-BR) | 147.0 | [Mozilla Thunderbird (pt-BR) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-br-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (pt-PT) | 147.0 | [Mozilla Thunderbird (pt-PT) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-pt-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (rm) | 147.0 | [Mozilla Thunderbird (rm) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.rm-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ro) | 147.0 | [Mozilla Thunderbird (ro) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ro-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (ru) | 147.0 | [Mozilla Thunderbird (ru) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ru-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (sk) | 147.0 | [Mozilla Thunderbird (sk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sk-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (sl) | 147.0 | [Mozilla Thunderbird (sl) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sl-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (sq) | 147.0 | [Mozilla Thunderbird (sq) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sq-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (sr) | 147.0 | [Mozilla Thunderbird (sr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (sv-SE) | 147.0 | [Mozilla Thunderbird (sv-SE) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sv-se-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (th) | 147.0 | [Mozilla Thunderbird (th) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.th-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (tr) | 147.0 | [Mozilla Thunderbird (tr) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.tr-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (uk) | 147.0 | [Mozilla Thunderbird (uk) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uk-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (uz) | 147.0 | [Mozilla Thunderbird (uz) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uz-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (vi) | 147.0 | [Mozilla Thunderbird (vi) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.vi-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (zh-CN) | 147.0 | [Mozilla Thunderbird (zh-CN) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-cn-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird (zh-TW) | 147.0 | [Mozilla Thunderbird (zh-TW) 147.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-tw-147.0.md) | Jan 13, 2026 |
| Windows apps | Mozilla Thunderbird ESR (af) | 153.0.1 | [Mozilla Thunderbird ESR (af) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.af-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ar) | 153.0.1 | [Mozilla Thunderbird ESR (ar) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ar-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ast) | 153.0.1 | [Mozilla Thunderbird ESR (ast) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ast-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (be) | 153.0.1 | [Mozilla Thunderbird ESR (be) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.be-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (bg) | 153.0.1 | [Mozilla Thunderbird ESR (bg) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.bg-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (br) | 153.0.1 | [Mozilla Thunderbird ESR (br) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.br-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ca) | 153.0.1 | [Mozilla Thunderbird ESR (ca) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ca-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cak) | 153.0.1 | [Mozilla Thunderbird ESR (cak) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cak-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cs) | 153.0.1 | [Mozilla Thunderbird ESR (cs) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cs-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cy) | 153.0.1 | [Mozilla Thunderbird ESR (cy) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cy-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (da) | 153.0.1 | [Mozilla Thunderbird ESR (da) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.da-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (de) | 153.0.1 | [Mozilla Thunderbird ESR (de) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.de-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (dsb) | 153.0.1 | [Mozilla Thunderbird ESR (dsb) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.dsb-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (el) | 153.0.1 | [Mozilla Thunderbird ESR (el) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.el-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-CA) | 153.0.1 | [Mozilla Thunderbird ESR (en-CA) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-ca-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-GB) | 153.0.1 | [Mozilla Thunderbird ESR (en-GB) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-gb-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-US) | 153.0.1 | [Mozilla Thunderbird ESR (en-US) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-AR) | 153.0.1 | [Mozilla Thunderbird ESR (es-AR) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-ar-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-ES) | 153.0.1 | [Mozilla Thunderbird ESR (es-ES) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-es-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-MX) | 153.0.1 | [Mozilla Thunderbird ESR (es-MX) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-mx-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (et) | 153.0.1 | [Mozilla Thunderbird ESR (et) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.et-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (eu) | 153.0.1 | [Mozilla Thunderbird ESR (eu) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.eu-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fi) | 153.0.1 | [Mozilla Thunderbird ESR (fi) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fi-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fr) | 153.0.1 | [Mozilla Thunderbird ESR (fr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fy-NL) | 153.0.1 | [Mozilla Thunderbird ESR (fy-NL) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fy-nl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ga-IE) | 153.0.1 | [Mozilla Thunderbird ESR (ga-IE) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ga-ie-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (gd) | 153.0.1 | [Mozilla Thunderbird ESR (gd) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gd-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (gl) | 153.0.1 | [Mozilla Thunderbird ESR (gl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (he) | 153.0.1 | [Mozilla Thunderbird ESR (he) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.he-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hr) | 153.0.1 | [Mozilla Thunderbird ESR (hr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hsb) | 153.0.1 | [Mozilla Thunderbird ESR (hsb) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hsb-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hu) | 153.0.1 | [Mozilla Thunderbird ESR (hu) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hu-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hy-AM) | 153.0.1 | [Mozilla Thunderbird ESR (hy-AM) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hy-am-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (id) | 153.0.1 | [Mozilla Thunderbird ESR (id) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.id-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (is) | 153.0.1 | [Mozilla Thunderbird ESR (is) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.is-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (it) | 153.0.1 | [Mozilla Thunderbird ESR (it) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.it-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ja) | 153.0.1 | [Mozilla Thunderbird ESR (ja) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ja-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ka) | 153.0.1 | [Mozilla Thunderbird ESR (ka) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ka-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (kab) | 153.0.1 | [Mozilla Thunderbird ESR (kab) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kab-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (kk) | 153.0.1 | [Mozilla Thunderbird ESR (kk) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kk-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ko) | 153.0.1 | [Mozilla Thunderbird ESR (ko) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ko-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (lt) | 153.0.1 | [Mozilla Thunderbird ESR (lt) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lt-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (lv) | 153.0.1 | [Mozilla Thunderbird ESR (lv) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lv-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ms) | 153.0.1 | [Mozilla Thunderbird ESR (ms) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ms-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nb-NO) | 153.0.1 | [Mozilla Thunderbird ESR (nb-NO) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nb-no-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nl) | 153.0.1 | [Mozilla Thunderbird ESR (nl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nn-NO) | 153.0.1 | [Mozilla Thunderbird ESR (nn-NO) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nn-no-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pa-IN) | 153.0.1 | [Mozilla Thunderbird ESR (pa-IN) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pa-in-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pl) | 153.0.1 | [Mozilla Thunderbird ESR (pl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pt-BR) | 153.0.1 | [Mozilla Thunderbird ESR (pt-BR) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-br-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pt-PT) | 153.0.1 | [Mozilla Thunderbird ESR (pt-PT) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-pt-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (rm) | 153.0.1 | [Mozilla Thunderbird ESR (rm) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.rm-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ro) | 153.0.1 | [Mozilla Thunderbird ESR (ro) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ro-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ru) | 153.0.1 | [Mozilla Thunderbird ESR (ru) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ru-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sk) | 153.0.1 | [Mozilla Thunderbird ESR (sk) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sk-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sl) | 153.0.1 | [Mozilla Thunderbird ESR (sl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sq) | 153.0.1 | [Mozilla Thunderbird ESR (sq) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sq-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sr) | 153.0.1 | [Mozilla Thunderbird ESR (sr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sv-SE) | 153.0.1 | [Mozilla Thunderbird ESR (sv-SE) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sv-se-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (th) | 153.0.1 | [Mozilla Thunderbird ESR (th) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.th-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (tr) | 153.0.1 | [Mozilla Thunderbird ESR (tr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.tr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (uk) | 153.0.1 | [Mozilla Thunderbird ESR (uk) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uk-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (uz) | 153.0.1 | [Mozilla Thunderbird ESR (uz) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uz-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (vi) | 153.0.1 | [Mozilla Thunderbird ESR (vi) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.vi-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (zh-CN) | 153.0.1 | [Mozilla Thunderbird ESR (zh-CN) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-cn-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (zh-TW) | 153.0.1 | [Mozilla Thunderbird ESR (zh-TW) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-tw-153.0.1.md) | Jul 23, 2026 |
| macOS | Mozilla Firefox | 150.0.2 | [Mozilla Firefox 150.0.2](https://patchblox.com/security/data/fix/macos/org.mozilla.firefox-150.0.2.md) | May 6, 2026 |
| Linux | MozillaFirefox opensuse-leap 15.6 | 140.7.0-150200.152.216.1 | [SUSE-SU-2026:0260-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0260-1.md) | Jan 22, 2026 |
| Linux | MozillaFirefox opensuse-leap 16.0 | 140.7.0-160000.1.1 | [OPENSUSE-SU-2026:20041-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20041-1.md) | Jan 15, 2026 |
| Linux | MozillaFirefox sles 15.6 | 140.7.0-150200.152.216.1 | [SUSE-SU-2026:0260-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0260-1.md) | Jan 22, 2026 |
| Linux | MozillaFirefox sles 15.7 | 140.7.0-150200.152.216.1 | [SUSE-SU-2026:0260-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0260-1.md) | Jan 22, 2026 |
| Linux | MozillaFirefox sles 16.0 | 140.7.0-160000.1.1 | [SUSE-SU-2026:20086-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20086-1.md) | Jan 15, 2026 |
| Linux | MozillaThunderbird opensuse-leap 15.6 | 140.7.0-150200.8.251.1 | [SUSE-SU-2026:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0153-1.md) | Jan 19, 2026 |
| Linux | MozillaThunderbird opensuse-leap 16.0 | 140.8.1-bp160.1.1 | [OPENSUSE-SU-2026:20391-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20391-1.md) | Mar 18, 2026 |
| Linux | MozillaThunderbird sles 15.7 | 140.7.0-150200.8.251.1 | [SUSE-SU-2026:0153-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0153-1.md) | Jan 19, 2026 |
| Linux | firefox RHEL 10 | 140.7.0-1.el10_0 | [RHSA-2026:2271](https://patchblox.com/security/data/fix/linux/rhsa-2026-2271.md) | Jan 13, 2026 |
| Linux | firefox RHEL 8 | 0:140.7.0-1.el8_10 | [RHSA-2026:0667](https://patchblox.com/security/data/fix/linux/rhsa-2026-0667.md) | Jan 16, 2026 |
| Linux | firefox RHEL 9 | 0:140.7.0-1.el9_7 | [RHSA-2026:0694](https://patchblox.com/security/data/fix/linux/rhsa-2026-0694.md) | Jan 16, 2026 |
| Linux | firefox almalinux 10 | 140.7.0-1.el10_1 | [ALSA-2026:2271](https://patchblox.com/security/data/fix/linux/alsa-2026-2271.md) | Feb 9, 2026 |
| Linux | firefox almalinux 8 | 140.7.0-1.el8_10.alma.1 | [ALSA-2026:0667](https://patchblox.com/security/data/fix/linux/alsa-2026-0667.md) | Jan 15, 2026 |
| Linux | firefox almalinux 9 | 140.7.0-1.el9_7.alma.1 | [ALSA-2026:0694](https://patchblox.com/security/data/fix/linux/alsa-2026-0694.md) | Jan 15, 2026 |
| Linux | firefox amzn 2023 | 140.7.0-1.amzn2023.0.1 | [ALAS2023-2026-1429](https://patchblox.com/security/data/fix/linux/alas2023-2026-1429.md) | Feb 16, 2026 |
| Linux | firefox ol 10 | 0:140.7.0-1.0.1.el10_1 | [ELSA-2026-2271](https://patchblox.com/security/data/fix/linux/elsa-2026-2271.md) | Feb 9, 2026 |
| Linux | firefox ol 8 | 0:140.7.0-1.0.1.el8_10 | [ELSA-2026-0667](https://patchblox.com/security/data/fix/linux/elsa-2026-0667.md) | Jan 16, 2026 |
| Linux | firefox ol 9 | 0:140.7.0-1.0.1.el9_7 | [ELSA-2026-0694](https://patchblox.com/security/data/fix/linux/elsa-2026-0694.md) | Jan 16, 2026 |
| Linux | firefox rocky 8 | 0:140.7.0-1.el8_10 | [RLSA-2026:0667](https://patchblox.com/security/data/fix/linux/rlsa-2026-0667.md) | Jan 16, 2026 |
| Linux | firefox rocky 9 | 0:140.7.0-1.el9_7 | [RLSA-2026:0694](https://patchblox.com/security/data/fix/linux/rlsa-2026-0694.md) | Jan 16, 2026 |
| Linux | firefox-debuginfo amzn 2023 | 140.7.0-1.amzn2023.0.1 | [ALAS2023-2026-1429](https://patchblox.com/security/data/fix/linux/alas2023-2026-1429.md) | Feb 16, 2026 |
| Linux | firefox-debugsource amzn 2023 | 140.7.0-1.amzn2023.0.1 | [ALAS2023-2026-1429](https://patchblox.com/security/data/fix/linux/alas2023-2026-1429.md) | Feb 16, 2026 |
| Linux | firefox-esr Debian 12.15 (bookworm) | 140.7.0esr-1~deb12u1 | [DEBIAN-CVE-2026-0891](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0891.md) | Jan 13, 2026 |
| Linux | firefox-esr Debian 13.5 (trixie) | 140.7.0esr-1~deb13u1 | [DEBIAN-CVE-2026-0891](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0891.md) | Jan 13, 2026 |
| Linux | firefox-esr Debian 14 | 140.7.0esr-1 | [DEBIAN-CVE-2026-0891](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0891.md) | Jan 13, 2026 |
| Linux | firefox-x11 RHEL 9 | 0:140.7.0-1.el9_7 | [RHSA-2026:0694](https://patchblox.com/security/data/fix/linux/rhsa-2026-0694.md) | Jan 16, 2026 |
| Linux | firefox-x11 almalinux 9 | 140.7.0-1.el9_7.alma.1 | [ALSA-2026:0694](https://patchblox.com/security/data/fix/linux/alsa-2026-0694.md) | Jan 15, 2026 |
| Linux | firefox-x11 ol 9 | 0:140.7.0-1.0.1.el9_7 | [ELSA-2026-0694](https://patchblox.com/security/data/fix/linux/elsa-2026-0694.md) | Jan 16, 2026 |
| Linux | thunderbird Debian 12.15 (bookworm) | 1:140.7.0esr-1~deb12u1 | [DEBIAN-CVE-2026-0891](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0891.md) | Jan 13, 2026 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:140.7.0esr-1~deb13u1 | [DEBIAN-CVE-2026-0891](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0891.md) | Jan 13, 2026 |
| Linux | thunderbird Debian 14 | 1:140.7.0esr-1 | [DEBIAN-CVE-2026-0891](https://patchblox.com/security/data/fix/linux/debian-cve-2026-0891.md) | Jan 13, 2026 |
| Linux | thunderbird RHEL 10 | 140.7.0-1.el10_0 | [RHSA-2026:2286](https://patchblox.com/security/data/fix/linux/rhsa-2026-2286.md) | Jan 13, 2026 |
| Linux | thunderbird RHEL 8 | 0:140.7.0-1.el8_10 | [RHSA-2026:2220](https://patchblox.com/security/data/fix/linux/rhsa-2026-2220.md) | Feb 9, 2026 |
| Linux | thunderbird RHEL 9 | 0:140.7.0-1.el9_7 | [RHSA-2026:0924](https://patchblox.com/security/data/fix/linux/rhsa-2026-0924.md) | Jan 21, 2026 |
| Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | thunderbird almalinux 10 | 140.7.0-1.el10_1.alma.1 | [ALSA-2026:2286](https://patchblox.com/security/data/fix/linux/alsa-2026-2286.md) | Feb 9, 2026 |
| Linux | thunderbird almalinux 8 | 140.7.0-1.el8_10.alma.1 | [ALSA-2026:2220](https://patchblox.com/security/data/fix/linux/alsa-2026-2220.md) | Feb 9, 2026 |
| Linux | thunderbird almalinux 9 | 140.7.0-1.el9_7.alma.1 | [ALSA-2026:0924](https://patchblox.com/security/data/fix/linux/alsa-2026-0924.md) | Jan 21, 2026 |
| Linux | thunderbird ol 10 | 0:140.7.0-1.0.1.el10_1 | [ELSA-2026-2286](https://patchblox.com/security/data/fix/linux/elsa-2026-2286.md) | Feb 9, 2026 |
| Linux | thunderbird ol 8 | 0:140.7.0-1.0.1.el8_10 | [ELSA-2026-2220](https://patchblox.com/security/data/fix/linux/elsa-2026-2220.md) | Feb 9, 2026 |
| Linux | thunderbird ol 9 | 0:140.7.0-1.0.1.el9_7 | [ELSA-2026-0924](https://patchblox.com/security/data/fix/linux/elsa-2026-0924.md) | Jan 21, 2026 |
| Linux | thunderbird rocky 8 | 0:140.7.0-1.el8_10 | [RLSA-2026:2220](https://patchblox.com/security/data/fix/linux/rlsa-2026-2220.md) | Feb 9, 2026 |
| Linux | thunderbird rocky 9 | 0:140.7.0-1.el9_7 | [RLSA-2026:0924](https://patchblox.com/security/data/fix/linux/rlsa-2026-0924.md) | Jan 22, 2026 |
| Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird-gnome-support 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird-mozsymbols 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-calendar-timezones 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-gdata-provider 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-lightning 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.