# CVE-2026-8955: Privilege escalation in the DOM: Workers component

CVE-2026-8955 is fixed in 445 products on 3 platforms, first by Firefox Developer Edition (ach) 151.0, released May 13, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-8955
- Priority: High
- CVSS: 8.8 (important)
- EPSS: 0.0039
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 19, 2026
- Weakness: CWE-269: Improper Privilege Management
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-8955

## Description

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Firefox Developer Edition (ach) | 151.0 | [Firefox Developer Edition (ach) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ach-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (af) | 151.0 | [Firefox Developer Edition (af) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.af-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (an) | 151.0 | [Firefox Developer Edition (an) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.an-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ar) | 151.0 | [Firefox Developer Edition (ar) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ar-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ast) | 151.0 | [Firefox Developer Edition (ast) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ast-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (az) | 151.0 | [Firefox Developer Edition (az) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.az-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (be) | 151.0 | [Firefox Developer Edition (be) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.be-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (bg) | 151.0 | [Firefox Developer Edition (bg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bg-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (bn) | 151.0 | [Firefox Developer Edition (bn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bn-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (br) | 151.0 | [Firefox Developer Edition (br) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.br-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (bs) | 151.0 | [Firefox Developer Edition (bs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bs-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ca) | 151.0 | [Firefox Developer Edition (ca) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ca-valencia) | 151.0 | [Firefox Developer Edition (ca-valencia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-valencia-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (cak) | 151.0 | [Firefox Developer Edition (cak) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cak-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (cs) | 151.0 | [Firefox Developer Edition (cs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cs-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (cy) | 151.0 | [Firefox Developer Edition (cy) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cy-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (da) | 151.0 | [Firefox Developer Edition (da) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.da-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (de) | 151.0 | [Firefox Developer Edition (de) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.de-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (dsb) | 151.0 | [Firefox Developer Edition (dsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.dsb-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (el) | 151.0 | [Firefox Developer Edition (el) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.el-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (en-CA) | 151.0 | [Firefox Developer Edition (en-CA) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-ca-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (en-GB) | 151.0 | [Firefox Developer Edition (en-GB) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-gb-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (en-US) | 151.0 | [Firefox Developer Edition (en-US) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (eo) | 151.0 | [Firefox Developer Edition (eo) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eo-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (es-AR) | 151.0 | [Firefox Developer Edition (es-AR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-ar-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (es-CL) | 151.0 | [Firefox Developer Edition (es-CL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-cl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (es-ES) | 151.0 | [Firefox Developer Edition (es-ES) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-es-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (es-MX) | 151.0 | [Firefox Developer Edition (es-MX) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-mx-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (et) | 151.0 | [Firefox Developer Edition (et) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.et-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (eu) | 151.0 | [Firefox Developer Edition (eu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eu-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (fa) | 151.0 | [Firefox Developer Edition (fa) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fa-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ff) | 151.0 | [Firefox Developer Edition (ff) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ff-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (fi) | 151.0 | [Firefox Developer Edition (fi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fi-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (fr) | 151.0 | [Firefox Developer Edition (fr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fr-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (fur) | 151.0 | [Firefox Developer Edition (fur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fur-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (fy-NL) | 151.0 | [Firefox Developer Edition (fy-NL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fy-nl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ga-IE) | 151.0 | [Firefox Developer Edition (ga-IE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ga-ie-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (gd) | 151.0 | [Firefox Developer Edition (gd) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gd-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (gl) | 151.0 | [Firefox Developer Edition (gl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (gn) | 151.0 | [Firefox Developer Edition (gn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gn-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (gu-IN) | 151.0 | [Firefox Developer Edition (gu-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gu-in-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (he) | 151.0 | [Firefox Developer Edition (he) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.he-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (hi-IN) | 151.0 | [Firefox Developer Edition (hi-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hi-in-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (hr) | 151.0 | [Firefox Developer Edition (hr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hr-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (hsb) | 151.0 | [Firefox Developer Edition (hsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hsb-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (hu) | 151.0 | [Firefox Developer Edition (hu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hu-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (hy-AM) | 151.0 | [Firefox Developer Edition (hy-AM) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hy-am-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ia) | 151.0 | [Firefox Developer Edition (ia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ia-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (id) | 151.0 | [Firefox Developer Edition (id) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.id-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (is) | 151.0 | [Firefox Developer Edition (is) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.is-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (it) | 151.0 | [Firefox Developer Edition (it) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.it-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ja) | 151.0 | [Firefox Developer Edition (ja) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ja-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ka) | 151.0 | [Firefox Developer Edition (ka) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ka-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (kab) | 151.0 | [Firefox Developer Edition (kab) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kab-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (kk) | 151.0 | [Firefox Developer Edition (kk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kk-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (km) | 151.0 | [Firefox Developer Edition (km) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.km-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (kn) | 151.0 | [Firefox Developer Edition (kn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kn-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ko) | 151.0 | [Firefox Developer Edition (ko) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ko-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (lij) | 151.0 | [Firefox Developer Edition (lij) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lij-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (lt) | 151.0 | [Firefox Developer Edition (lt) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lt-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (lv) | 151.0 | [Firefox Developer Edition (lv) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lv-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (mk) | 151.0 | [Firefox Developer Edition (mk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mk-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (mr) | 151.0 | [Firefox Developer Edition (mr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mr-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ms) | 151.0 | [Firefox Developer Edition (ms) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ms-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (my) | 151.0 | [Firefox Developer Edition (my) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.my-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (nb-NO) | 151.0 | [Firefox Developer Edition (nb-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nb-no-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ne-NP) | 151.0 | [Firefox Developer Edition (ne-NP) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ne-np-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (nl) | 151.0 | [Firefox Developer Edition (nl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (nn-NO) | 151.0 | [Firefox Developer Edition (nn-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nn-no-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (oc) | 151.0 | [Firefox Developer Edition (oc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.oc-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (pa-IN) | 151.0 | [Firefox Developer Edition (pa-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pa-in-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (pl) | 151.0 | [Firefox Developer Edition (pl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (pt-BR) | 151.0 | [Firefox Developer Edition (pt-BR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-br-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (pt-PT) | 151.0 | [Firefox Developer Edition (pt-PT) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-pt-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (rm) | 151.0 | [Firefox Developer Edition (rm) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.rm-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ro) | 151.0 | [Firefox Developer Edition (ro) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ro-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ru) | 151.0 | [Firefox Developer Edition (ru) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ru-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (sc) | 151.0 | [Firefox Developer Edition (sc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sc-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (sco) | 151.0 | [Firefox Developer Edition (sco) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sco-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (si) | 151.0 | [Firefox Developer Edition (si) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.si-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (sk) | 151.0 | [Firefox Developer Edition (sk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sk-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (sl) | 151.0 | [Firefox Developer Edition (sl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (son) | 151.0 | [Firefox Developer Edition (son) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.son-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (sq) | 151.0 | [Firefox Developer Edition (sq) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sq-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (sr) | 151.0 | [Firefox Developer Edition (sr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sr-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (sv-SE) | 151.0 | [Firefox Developer Edition (sv-SE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sv-se-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (szl) | 151.0 | [Firefox Developer Edition (szl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.szl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ta) | 151.0 | [Firefox Developer Edition (ta) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ta-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (te) | 151.0 | [Firefox Developer Edition (te) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.te-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (tg) | 151.0 | [Firefox Developer Edition (tg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tg-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (th) | 151.0 | [Firefox Developer Edition (th) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.th-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (tl) | 151.0 | [Firefox Developer Edition (tl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tl-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (tr) | 151.0 | [Firefox Developer Edition (tr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tr-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (trs) | 151.0 | [Firefox Developer Edition (trs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.trs-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (uk) | 151.0 | [Firefox Developer Edition (uk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uk-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (ur) | 151.0 | [Firefox Developer Edition (ur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ur-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (uz) | 151.0 | [Firefox Developer Edition (uz) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uz-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (vi) | 151.0 | [Firefox Developer Edition (vi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.vi-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (xh) | 151.0 | [Firefox Developer Edition (xh) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.xh-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (zh-CN) | 151.0 | [Firefox Developer Edition (zh-CN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-cn-151.0.md) | May 13, 2026 |
| Windows apps | Firefox Developer Edition (zh-TW) | 151.0 | [Firefox Developer Edition (zh-TW) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-tw-151.0.md) | May 13, 2026 |
| Windows apps | Mozilla Firefox (ach) | 151.0 | [Mozilla Firefox (ach) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ach-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (af) | 151.0 | [Mozilla Firefox (af) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.af-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (an) | 151.0 | [Mozilla Firefox (an) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.an-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ar) | 151.0 | [Mozilla Firefox (ar) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ar-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ast) | 151.0 | [Mozilla Firefox (ast) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ast-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (az) | 151.0 | [Mozilla Firefox (az) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.az-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (be) | 151.0 | [Mozilla Firefox (be) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.be-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (bg) | 151.0 | [Mozilla Firefox (bg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bg-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (bn) | 151.0 | [Mozilla Firefox (bn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bn-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (br) | 151.0 | [Mozilla Firefox (br) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.br-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (bs) | 151.0 | [Mozilla Firefox (bs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bs-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ca) | 151.0 | [Mozilla Firefox (ca) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ca-valencia) | 151.0 | [Mozilla Firefox (ca-valencia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-valencia-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (cak) | 151.0 | [Mozilla Firefox (cak) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cak-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (cs) | 151.0 | [Mozilla Firefox (cs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cs-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (cy) | 151.0 | [Mozilla Firefox (cy) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cy-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (da) | 151.0 | [Mozilla Firefox (da) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.da-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (de) | 151.0 | [Mozilla Firefox (de) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.de-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (dsb) | 151.0 | [Mozilla Firefox (dsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.dsb-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (el) | 151.0 | [Mozilla Firefox (el) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.el-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (en-CA) | 151.0 | [Mozilla Firefox (en-CA) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-ca-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (en-GB) | 151.0 | [Mozilla Firefox (en-GB) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-gb-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (en-US) | 151.0 | [Mozilla Firefox (en-US) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (eo) | 151.0 | [Mozilla Firefox (eo) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eo-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (es-AR) | 151.0 | [Mozilla Firefox (es-AR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-ar-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (es-CL) | 151.0 | [Mozilla Firefox (es-CL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-cl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (es-ES) | 151.0 | [Mozilla Firefox (es-ES) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-es-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (es-MX) | 151.0 | [Mozilla Firefox (es-MX) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-mx-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (et) | 151.0 | [Mozilla Firefox (et) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.et-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (eu) | 151.0 | [Mozilla Firefox (eu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eu-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (fa) | 151.0 | [Mozilla Firefox (fa) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fa-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ff) | 151.0 | [Mozilla Firefox (ff) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ff-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (fi) | 151.0 | [Mozilla Firefox (fi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fi-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (fr) | 151.0 | [Mozilla Firefox (fr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (fur) | 151.0 | [Mozilla Firefox (fur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fur-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (fy-NL) | 151.0 | [Mozilla Firefox (fy-NL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fy-nl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ga-IE) | 151.0 | [Mozilla Firefox (ga-IE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ga-ie-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (gd) | 151.0 | [Mozilla Firefox (gd) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gd-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (gl) | 151.0 | [Mozilla Firefox (gl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (gn) | 151.0 | [Mozilla Firefox (gn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gn-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (gu-IN) | 151.0 | [Mozilla Firefox (gu-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gu-in-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (he) | 151.0 | [Mozilla Firefox (he) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.he-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (hi-IN) | 151.0 | [Mozilla Firefox (hi-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hi-in-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (hr) | 151.0 | [Mozilla Firefox (hr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (hsb) | 151.0 | [Mozilla Firefox (hsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hsb-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (hu) | 151.0 | [Mozilla Firefox (hu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hu-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (hy-AM) | 151.0 | [Mozilla Firefox (hy-AM) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hy-am-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ia) | 151.0 | [Mozilla Firefox (ia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ia-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (id) | 151.0 | [Mozilla Firefox (id) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.id-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (is) | 151.0 | [Mozilla Firefox (is) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.is-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (it) | 151.0 | [Mozilla Firefox (it) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.it-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ja) | 151.0 | [Mozilla Firefox (ja) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ja-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ka) | 151.0 | [Mozilla Firefox (ka) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ka-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (kab) | 151.0 | [Mozilla Firefox (kab) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kab-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (kk) | 151.0 | [Mozilla Firefox (kk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kk-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (km) | 151.0 | [Mozilla Firefox (km) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.km-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (kn) | 151.0 | [Mozilla Firefox (kn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kn-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ko) | 151.0 | [Mozilla Firefox (ko) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ko-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (lij) | 151.0 | [Mozilla Firefox (lij) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lij-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (lt) | 151.0 | [Mozilla Firefox (lt) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lt-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (lv) | 151.0 | [Mozilla Firefox (lv) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lv-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (mk) | 151.0 | [Mozilla Firefox (mk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mk-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (mr) | 151.0 | [Mozilla Firefox (mr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ms) | 151.0 | [Mozilla Firefox (ms) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ms-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (my) | 151.0 | [Mozilla Firefox (my) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.my-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (nb-NO) | 151.0 | [Mozilla Firefox (nb-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nb-no-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ne-NP) | 151.0 | [Mozilla Firefox (ne-NP) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ne-np-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (nl) | 151.0 | [Mozilla Firefox (nl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (nn-NO) | 151.0 | [Mozilla Firefox (nn-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nn-no-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (oc) | 151.0 | [Mozilla Firefox (oc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.oc-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (pa-IN) | 151.0 | [Mozilla Firefox (pa-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pa-in-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (pl) | 151.0 | [Mozilla Firefox (pl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (pt-BR) | 151.0 | [Mozilla Firefox (pt-BR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-br-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (pt-PT) | 151.0 | [Mozilla Firefox (pt-PT) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-pt-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (rm) | 151.0 | [Mozilla Firefox (rm) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.rm-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ro) | 151.0 | [Mozilla Firefox (ro) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ro-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ru) | 151.0 | [Mozilla Firefox (ru) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ru-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (sc) | 151.0 | [Mozilla Firefox (sc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sc-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (sco) | 151.0 | [Mozilla Firefox (sco) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sco-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (si) | 151.0 | [Mozilla Firefox (si) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.si-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (sk) | 151.0 | [Mozilla Firefox (sk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sk-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (sl) | 151.0 | [Mozilla Firefox (sl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (son) | 151.0 | [Mozilla Firefox (son) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.son-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (sq) | 151.0 | [Mozilla Firefox (sq) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sq-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (sr) | 151.0 | [Mozilla Firefox (sr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (sv-SE) | 151.0 | [Mozilla Firefox (sv-SE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sv-se-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (szl) | 151.0 | [Mozilla Firefox (szl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.szl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ta) | 151.0 | [Mozilla Firefox (ta) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ta-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (te) | 151.0 | [Mozilla Firefox (te) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.te-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (tg) | 151.0 | [Mozilla Firefox (tg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tg-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (th) | 151.0 | [Mozilla Firefox (th) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.th-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (tl) | 151.0 | [Mozilla Firefox (tl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (tr) | 151.0 | [Mozilla Firefox (tr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (trs) | 151.0 | [Mozilla Firefox (trs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.trs-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (uk) | 151.0 | [Mozilla Firefox (uk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uk-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (ur) | 151.0 | [Mozilla Firefox (ur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ur-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (uz) | 151.0 | [Mozilla Firefox (uz) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uz-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (vi) | 151.0 | [Mozilla Firefox (vi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.vi-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (xh) | 151.0 | [Mozilla Firefox (xh) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.xh-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (zh-CN) | 151.0 | [Mozilla Firefox (zh-CN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-cn-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Firefox (zh-TW) | 151.0 | [Mozilla Firefox (zh-TW) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-tw-151.0.md) | May 19, 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) | 151.0 | [Mozilla Thunderbird (af) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.af-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ar) | 151.0 | [Mozilla Thunderbird (ar) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ar-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ast) | 151.0 | [Mozilla Thunderbird (ast) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ast-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (be) | 151.0 | [Mozilla Thunderbird (be) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.be-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (bg) | 151.0 | [Mozilla Thunderbird (bg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.bg-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (br) | 151.0 | [Mozilla Thunderbird (br) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.br-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ca) | 151.0 | [Mozilla Thunderbird (ca) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ca-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (cak) | 151.0 | [Mozilla Thunderbird (cak) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cak-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (cs) | 151.0 | [Mozilla Thunderbird (cs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cs-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (cy) | 151.0 | [Mozilla Thunderbird (cy) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cy-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (da) | 151.0 | [Mozilla Thunderbird (da) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.da-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (de) | 151.0 | [Mozilla Thunderbird (de) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.de-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (dsb) | 151.0 | [Mozilla Thunderbird (dsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.dsb-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (el) | 151.0 | [Mozilla Thunderbird (el) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.el-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (en-CA) | 151.0 | [Mozilla Thunderbird (en-CA) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-ca-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (en-GB) | 151.0 | [Mozilla Thunderbird (en-GB) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-gb-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (en-US) | 151.0 | [Mozilla Thunderbird (en-US) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (es-AR) | 151.0 | [Mozilla Thunderbird (es-AR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-ar-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (es-ES) | 151.0 | [Mozilla Thunderbird (es-ES) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-es-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (es-MX) | 151.0 | [Mozilla Thunderbird (es-MX) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-mx-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (et) | 151.0 | [Mozilla Thunderbird (et) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.et-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (eu) | 151.0 | [Mozilla Thunderbird (eu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.eu-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (fi) | 151.0 | [Mozilla Thunderbird (fi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fi-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (fr) | 151.0 | [Mozilla Thunderbird (fr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (fy-NL) | 151.0 | [Mozilla Thunderbird (fy-NL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fy-nl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ga-IE) | 151.0 | [Mozilla Thunderbird (ga-IE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ga-ie-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (gd) | 151.0 | [Mozilla Thunderbird (gd) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gd-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (gl) | 151.0 | [Mozilla Thunderbird (gl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (he) | 151.0 | [Mozilla Thunderbird (he) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.he-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (hr) | 151.0 | [Mozilla Thunderbird (hr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (hsb) | 151.0 | [Mozilla Thunderbird (hsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hsb-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (hu) | 151.0 | [Mozilla Thunderbird (hu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hu-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (hy-AM) | 151.0 | [Mozilla Thunderbird (hy-AM) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hy-am-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (id) | 151.0 | [Mozilla Thunderbird (id) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.id-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (is) | 151.0 | [Mozilla Thunderbird (is) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.is-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (it) | 151.0 | [Mozilla Thunderbird (it) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.it-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ja) | 151.0 | [Mozilla Thunderbird (ja) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ja-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ka) | 151.0 | [Mozilla Thunderbird (ka) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ka-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (kab) | 151.0 | [Mozilla Thunderbird (kab) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kab-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (kk) | 151.0 | [Mozilla Thunderbird (kk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kk-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ko) | 151.0 | [Mozilla Thunderbird (ko) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ko-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (lt) | 151.0 | [Mozilla Thunderbird (lt) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lt-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (lv) | 151.0 | [Mozilla Thunderbird (lv) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lv-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ms) | 151.0 | [Mozilla Thunderbird (ms) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ms-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (nb-NO) | 151.0 | [Mozilla Thunderbird (nb-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nb-no-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (nl) | 151.0 | [Mozilla Thunderbird (nl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (nn-NO) | 151.0 | [Mozilla Thunderbird (nn-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nn-no-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (pa-IN) | 151.0 | [Mozilla Thunderbird (pa-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pa-in-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (pl) | 151.0 | [Mozilla Thunderbird (pl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (pt-BR) | 151.0 | [Mozilla Thunderbird (pt-BR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-br-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (pt-PT) | 151.0 | [Mozilla Thunderbird (pt-PT) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-pt-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (rm) | 151.0 | [Mozilla Thunderbird (rm) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.rm-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ro) | 151.0 | [Mozilla Thunderbird (ro) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ro-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (ru) | 151.0 | [Mozilla Thunderbird (ru) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ru-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (sk) | 151.0 | [Mozilla Thunderbird (sk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sk-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (sl) | 151.0 | [Mozilla Thunderbird (sl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sl-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (sq) | 151.0 | [Mozilla Thunderbird (sq) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sq-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (sr) | 151.0 | [Mozilla Thunderbird (sr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (sv-SE) | 151.0 | [Mozilla Thunderbird (sv-SE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sv-se-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (th) | 151.0 | [Mozilla Thunderbird (th) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.th-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (tr) | 151.0 | [Mozilla Thunderbird (tr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.tr-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (uk) | 151.0 | [Mozilla Thunderbird (uk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uk-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (uz) | 151.0 | [Mozilla Thunderbird (uz) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uz-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (vi) | 151.0 | [Mozilla Thunderbird (vi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.vi-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (zh-CN) | 151.0 | [Mozilla Thunderbird (zh-CN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-cn-151.0.md) | May 19, 2026 |
| Windows apps | Mozilla Thunderbird (zh-TW) | 151.0 | [Mozilla Thunderbird (zh-TW) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-tw-151.0.md) | May 19, 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 | 151.0.2 | [Mozilla Firefox 151.0.2](https://patchblox.com/security/data/fix/macos/org.mozilla.firefox-151.0.2.md) | May 25, 2026 |
| macOS | Mozilla Thunderbird | 151.0.1 | [Mozilla Thunderbird 151.0.1](https://patchblox.com/security/data/fix/macos/org.mozilla.thunderbird-151.0.1.md) | May 22, 2026 |
| Linux | MozillaThunderbird opensuse-leap 16.0 | 140.12.0-bp160.1.1 | [OPENSUSE-SU-2026:21168-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21168-1.md) | Jun 29, 2026 |
| Linux | firefox RHEL 10 | 140.11.0-1.el10_0 | [RHSA-2026:27715](https://patchblox.com/security/data/fix/linux/rhsa-2026-27715.md) | May 19, 2026 |
| Linux | firefox RHEL 8 | 0:140.11.0-1.el8_10 | [RHSA-2026:21382](https://patchblox.com/security/data/fix/linux/rhsa-2026-21382.md) | May 27, 2026 |
| Linux | firefox RHEL 9 | 0:140.11.0-1.el9_8 | [RHSA-2026:21378](https://patchblox.com/security/data/fix/linux/rhsa-2026-21378.md) | Jun 24, 2026 |
| Linux | firefox almalinux 10 | 140.11.0-1.el10_2 | [ALSA-2026:21380](https://patchblox.com/security/data/fix/linux/alsa-2026-21380.md) | May 27, 2026 |
| Linux | firefox almalinux 8 | 140.11.0-1.el8_10.alma.1 | [ALSA-2026:21382](https://patchblox.com/security/data/fix/linux/alsa-2026-21382.md) | May 27, 2026 |
| Linux | firefox almalinux 9 | 140.11.0-1.el9_8.alma.1 | [ALSA-2026:21378](https://patchblox.com/security/data/fix/linux/alsa-2026-21378.md) | May 27, 2026 |
| Linux | firefox amzn 2023 | 140.11.0-1.amzn2023.0.1 | [ALAS2023-2026-1793](https://patchblox.com/security/data/fix/linux/alas2023-2026-1793.md) | Jun 8, 2026 |
| Linux | firefox ol 10 | 0:140.12.0-1.0.1.el10_2 | [ELSA-2026-21380](https://patchblox.com/security/data/fix/linux/elsa-2026-21380.md) | Jul 20, 2026 |
| Linux | firefox ol 8 | 0:140.11.0-1.0.1.el8_10 | [ELSA-2026-21382](https://patchblox.com/security/data/fix/linux/elsa-2026-21382.md) | May 28, 2026 |
| Linux | firefox ol 9 | 0:140.12.0-1.0.1.el9_8 | [ELSA-2026-21378](https://patchblox.com/security/data/fix/linux/elsa-2026-21378.md) | Jun 29, 2026 |
| Linux | firefox rocky 10 | 0:140.11.0-1.el10_2 | [RLSA-2026:21380](https://patchblox.com/security/data/fix/linux/rlsa-2026-21380.md) | Jun 4, 2026 |
| Linux | firefox rocky 8 | 0:140.11.0-1.el8_10 | [RLSA-2026:21382](https://patchblox.com/security/data/fix/linux/rlsa-2026-21382.md) | May 29, 2026 |
| Linux | firefox rocky 9 | 0:140.11.0-1.el9_8 | [RLSA-2026:21378](https://patchblox.com/security/data/fix/linux/rlsa-2026-21378.md) | May 30, 2026 |
| Linux | firefox-debuginfo amzn 2023 | 140.11.0-1.amzn2023.0.1 | [ALAS2023-2026-1793](https://patchblox.com/security/data/fix/linux/alas2023-2026-1793.md) | Jun 8, 2026 |
| Linux | firefox-debugsource amzn 2023 | 140.11.0-1.amzn2023.0.1 | [ALAS2023-2026-1793](https://patchblox.com/security/data/fix/linux/alas2023-2026-1793.md) | Jun 8, 2026 |
| Linux | firefox-esr Debian 12.15 (bookworm) | 140.11.0esr-1~deb12u1 | [DEBIAN-CVE-2026-8955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8955.md) | May 27, 2026 |
| Linux | firefox-esr Debian 13.5 (trixie) | 140.11.0esr-1~deb13u1 | [DEBIAN-CVE-2026-8955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8955.md) | May 27, 2026 |
| Linux | firefox-esr Debian 14 | 140.11.0esr-1 | [DEBIAN-CVE-2026-8955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8955.md) | May 27, 2026 |
| Linux | firefox-x11 RHEL 9 | 0:140.11.0-1.el9_8 | [RHSA-2026:21378](https://patchblox.com/security/data/fix/linux/rhsa-2026-21378.md) | Jun 24, 2026 |
| Linux | firefox-x11 almalinux 9 | 140.11.0-1.el9_8.alma.1 | [ALSA-2026:21378](https://patchblox.com/security/data/fix/linux/alsa-2026-21378.md) | May 27, 2026 |
| Linux | firefox-x11 ol 9 | 0:140.12.0-1.0.1.el9_8 | [ELSA-2026-21378](https://patchblox.com/security/data/fix/linux/elsa-2026-21378.md) | Jun 29, 2026 |
| Linux | thunderbird Debian 12.15 (bookworm) | 1:140.11.0esr-1~deb12u1 | [DEBIAN-CVE-2026-8955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8955.md) | May 27, 2026 |
| Linux | thunderbird Debian 13.5 (trixie) | 1:140.11.0esr-1~deb13u1 | [DEBIAN-CVE-2026-8955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8955.md) | May 27, 2026 |
| Linux | thunderbird Debian 14 | 1:140.11.0esr-1 | [DEBIAN-CVE-2026-8955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8955.md) | May 27, 2026 |
| Linux | thunderbird RHEL 10 | 140.11.0-1.el10_0 | [RHSA-2026:26539](https://patchblox.com/security/data/fix/linux/rhsa-2026-26539.md) | May 19, 2026 |
| Linux | thunderbird RHEL 8 | 0:140.11.0-1.el8_10 | [RHSA-2026:22643](https://patchblox.com/security/data/fix/linux/rhsa-2026-22643.md) | Jun 24, 2026 |
| Linux | thunderbird RHEL 9 | 0:140.11.0-1.el9_8 | [RHSA-2026:21381](https://patchblox.com/security/data/fix/linux/rhsa-2026-21381.md) | May 27, 2026 |
| Linux | thunderbird almalinux 10 | 140.11.0-1.el10_2.alma.1 | [ALSA-2026:22325](https://patchblox.com/security/data/fix/linux/alsa-2026-22325.md) | Jun 1, 2026 |
| Linux | thunderbird almalinux 8 | 140.11.0-1.el8_10.alma.1 | [ALSA-2026:22643](https://patchblox.com/security/data/fix/linux/alsa-2026-22643.md) | Jun 2, 2026 |
| Linux | thunderbird almalinux 9 | 140.11.0-1.el9_8.alma.1 | [ALSA-2026:21381](https://patchblox.com/security/data/fix/linux/alsa-2026-21381.md) | May 27, 2026 |
| Linux | thunderbird ol 10 | 0:140.12.0-1.0.1.el10_2 | [ELSA-2026-22325](https://patchblox.com/security/data/fix/linux/elsa-2026-22325.md) | Jul 17, 2026 |
| Linux | thunderbird ol 8 | 0:140.11.0-1.0.1.el8_10 | [ELSA-2026-22643](https://patchblox.com/security/data/fix/linux/elsa-2026-22643.md) | Jun 3, 2026 |
| Linux | thunderbird ol 9 | 0:140.11.0-1.0.1.el9_8 | [ELSA-2026-21381](https://patchblox.com/security/data/fix/linux/elsa-2026-21381.md) | Jun 23, 2026 |
| Linux | thunderbird rocky 10 | 0:140.11.0-1.el10_2 | [RLSA-2026:22325](https://patchblox.com/security/data/fix/linux/rlsa-2026-22325.md) | Jun 5, 2026 |
| Linux | thunderbird rocky 8 | 0:140.11.0-1.el8_10 | [RLSA-2026:22643](https://patchblox.com/security/data/fix/linux/rlsa-2026-22643.md) | Jun 6, 2026 |
| Linux | thunderbird rocky 9 | 0:140.11.0-1.el9_8 | [RLSA-2026:21381](https://patchblox.com/security/data/fix/linux/rlsa-2026-21381.md) | May 30, 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

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