# CVE-2026-2804: Use-after-free in the JavaScript: WebAssembly component

CVE-2026-2804 is fixed in 437 products on 2 platforms, first by Firefox Developer Edition (ur) 148.0, released February 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-2804
- Priority: Routine
- CVSS: 5.4
- EPSS: 0.0047
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 24, 2026
- Weakness: CWE-416: Use After Free
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-2804

## Description

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Firefox Developer Edition (ach) | 148.0 | [Firefox Developer Edition (ach) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ach-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (af) | 148.0 | [Firefox Developer Edition (af) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.af-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (an) | 148.0 | [Firefox Developer Edition (an) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.an-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ar) | 148.0 | [Firefox Developer Edition (ar) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ar-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ast) | 148.0 | [Firefox Developer Edition (ast) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ast-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (az) | 148.0 | [Firefox Developer Edition (az) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.az-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (be) | 148.0 | [Firefox Developer Edition (be) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.be-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (bg) | 148.0 | [Firefox Developer Edition (bg) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bg-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (bn) | 148.0 | [Firefox Developer Edition (bn) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bn-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (br) | 148.0 | [Firefox Developer Edition (br) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.br-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (bs) | 148.0 | [Firefox Developer Edition (bs) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bs-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ca) | 148.0 | [Firefox Developer Edition (ca) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ca-valencia) | 148.0 | [Firefox Developer Edition (ca-valencia) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-valencia-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (cak) | 148.0 | [Firefox Developer Edition (cak) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cak-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (cs) | 148.0 | [Firefox Developer Edition (cs) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cs-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (cy) | 148.0 | [Firefox Developer Edition (cy) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cy-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (da) | 148.0 | [Firefox Developer Edition (da) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.da-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (de) | 148.0 | [Firefox Developer Edition (de) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.de-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (dsb) | 148.0 | [Firefox Developer Edition (dsb) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.dsb-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (el) | 148.0 | [Firefox Developer Edition (el) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.el-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (en-CA) | 148.0 | [Firefox Developer Edition (en-CA) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-ca-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (en-GB) | 148.0 | [Firefox Developer Edition (en-GB) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-gb-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (en-US) | 148.0 | [Firefox Developer Edition (en-US) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (eo) | 148.0 | [Firefox Developer Edition (eo) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eo-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (es-AR) | 148.0 | [Firefox Developer Edition (es-AR) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-ar-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (es-CL) | 148.0 | [Firefox Developer Edition (es-CL) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-cl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (es-ES) | 148.0 | [Firefox Developer Edition (es-ES) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-es-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (es-MX) | 148.0 | [Firefox Developer Edition (es-MX) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-mx-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (et) | 148.0 | [Firefox Developer Edition (et) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.et-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (eu) | 148.0 | [Firefox Developer Edition (eu) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eu-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (fa) | 148.0 | [Firefox Developer Edition (fa) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fa-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ff) | 148.0 | [Firefox Developer Edition (ff) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ff-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (fi) | 148.0 | [Firefox Developer Edition (fi) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fi-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (fr) | 148.0 | [Firefox Developer Edition (fr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fr-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (fur) | 148.0 | [Firefox Developer Edition (fur) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fur-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (fy-NL) | 148.0 | [Firefox Developer Edition (fy-NL) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fy-nl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ga-IE) | 148.0 | [Firefox Developer Edition (ga-IE) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ga-ie-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (gd) | 148.0 | [Firefox Developer Edition (gd) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gd-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (gl) | 148.0 | [Firefox Developer Edition (gl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (gn) | 148.0 | [Firefox Developer Edition (gn) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gn-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (gu-IN) | 148.0 | [Firefox Developer Edition (gu-IN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gu-in-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (he) | 148.0 | [Firefox Developer Edition (he) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.he-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (hi-IN) | 148.0 | [Firefox Developer Edition (hi-IN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hi-in-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (hr) | 148.0 | [Firefox Developer Edition (hr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hr-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (hsb) | 148.0 | [Firefox Developer Edition (hsb) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hsb-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (hu) | 148.0 | [Firefox Developer Edition (hu) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hu-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (hy-AM) | 148.0 | [Firefox Developer Edition (hy-AM) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hy-am-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ia) | 148.0 | [Firefox Developer Edition (ia) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ia-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (id) | 148.0 | [Firefox Developer Edition (id) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.id-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (is) | 148.0 | [Firefox Developer Edition (is) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.is-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (it) | 148.0 | [Firefox Developer Edition (it) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.it-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ja) | 148.0 | [Firefox Developer Edition (ja) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ja-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ka) | 148.0 | [Firefox Developer Edition (ka) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ka-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (kab) | 148.0 | [Firefox Developer Edition (kab) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kab-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (kk) | 148.0 | [Firefox Developer Edition (kk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kk-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (km) | 148.0 | [Firefox Developer Edition (km) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.km-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (kn) | 148.0 | [Firefox Developer Edition (kn) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kn-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ko) | 148.0 | [Firefox Developer Edition (ko) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ko-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (lij) | 148.0 | [Firefox Developer Edition (lij) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lij-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (lt) | 148.0 | [Firefox Developer Edition (lt) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lt-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (lv) | 148.0 | [Firefox Developer Edition (lv) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lv-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (mk) | 148.0 | [Firefox Developer Edition (mk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mk-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (mr) | 148.0 | [Firefox Developer Edition (mr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mr-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ms) | 148.0 | [Firefox Developer Edition (ms) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ms-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (my) | 148.0 | [Firefox Developer Edition (my) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.my-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (nb-NO) | 148.0 | [Firefox Developer Edition (nb-NO) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nb-no-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ne-NP) | 148.0 | [Firefox Developer Edition (ne-NP) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ne-np-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (nl) | 148.0 | [Firefox Developer Edition (nl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (nn-NO) | 148.0 | [Firefox Developer Edition (nn-NO) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nn-no-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (oc) | 148.0 | [Firefox Developer Edition (oc) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.oc-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (pa-IN) | 148.0 | [Firefox Developer Edition (pa-IN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pa-in-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (pl) | 148.0 | [Firefox Developer Edition (pl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (pt-BR) | 148.0 | [Firefox Developer Edition (pt-BR) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-br-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (pt-PT) | 148.0 | [Firefox Developer Edition (pt-PT) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-pt-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (rm) | 148.0 | [Firefox Developer Edition (rm) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.rm-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ro) | 148.0 | [Firefox Developer Edition (ro) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ro-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ru) | 148.0 | [Firefox Developer Edition (ru) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ru-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (sc) | 148.0 | [Firefox Developer Edition (sc) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sc-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (sco) | 148.0 | [Firefox Developer Edition (sco) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sco-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (si) | 148.0 | [Firefox Developer Edition (si) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.si-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (sk) | 148.0 | [Firefox Developer Edition (sk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sk-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (sl) | 148.0 | [Firefox Developer Edition (sl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (son) | 148.0 | [Firefox Developer Edition (son) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.son-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (sq) | 148.0 | [Firefox Developer Edition (sq) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sq-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (sr) | 148.0 | [Firefox Developer Edition (sr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sr-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (sv-SE) | 148.0 | [Firefox Developer Edition (sv-SE) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sv-se-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (szl) | 148.0 | [Firefox Developer Edition (szl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.szl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ta) | 148.0 | [Firefox Developer Edition (ta) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ta-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (te) | 148.0 | [Firefox Developer Edition (te) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.te-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (tg) | 148.0 | [Firefox Developer Edition (tg) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tg-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (th) | 148.0 | [Firefox Developer Edition (th) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.th-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (tl) | 148.0 | [Firefox Developer Edition (tl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tl-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (tr) | 148.0 | [Firefox Developer Edition (tr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tr-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (trs) | 148.0 | [Firefox Developer Edition (trs) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.trs-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (uk) | 148.0 | [Firefox Developer Edition (uk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uk-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (ur) | 148.0 | [Firefox Developer Edition (ur) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ur-148.0.md) | Feb 6, 2026 |
| Windows apps | Firefox Developer Edition (uz) | 148.0 | [Firefox Developer Edition (uz) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uz-148.0.md) | Feb 9, 2026 |
| Windows apps | Firefox Developer Edition (vi) | 148.0 | [Firefox Developer Edition (vi) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.vi-148.0.md) | Feb 6, 2026 |
| Windows apps | Firefox Developer Edition (xh) | 148.0 | [Firefox Developer Edition (xh) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.xh-148.0.md) | Feb 6, 2026 |
| Windows apps | Firefox Developer Edition (zh-CN) | 148.0 | [Firefox Developer Edition (zh-CN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-cn-148.0.md) | Feb 6, 2026 |
| Windows apps | Firefox Developer Edition (zh-TW) | 148.0 | [Firefox Developer Edition (zh-TW) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-tw-148.0.md) | Feb 9, 2026 |
| Windows apps | Mozilla Firefox (ach) | 148.0 | [Mozilla Firefox (ach) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ach-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (af) | 148.0 | [Mozilla Firefox (af) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.af-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (an) | 148.0 | [Mozilla Firefox (an) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.an-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ar) | 148.0 | [Mozilla Firefox (ar) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ar-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ast) | 148.0 | [Mozilla Firefox (ast) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ast-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (az) | 148.0 | [Mozilla Firefox (az) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.az-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (be) | 148.0 | [Mozilla Firefox (be) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.be-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (bg) | 148.0 | [Mozilla Firefox (bg) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bg-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (bn) | 148.0 | [Mozilla Firefox (bn) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bn-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (br) | 148.0 | [Mozilla Firefox (br) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.br-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (bs) | 148.0 | [Mozilla Firefox (bs) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bs-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ca) | 148.0 | [Mozilla Firefox (ca) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ca-valencia) | 148.0 | [Mozilla Firefox (ca-valencia) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-valencia-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (cak) | 148.0 | [Mozilla Firefox (cak) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cak-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (cs) | 148.0 | [Mozilla Firefox (cs) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cs-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (cy) | 148.0 | [Mozilla Firefox (cy) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cy-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (da) | 148.0 | [Mozilla Firefox (da) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.da-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (de) | 148.0 | [Mozilla Firefox (de) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.de-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (dsb) | 148.0 | [Mozilla Firefox (dsb) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.dsb-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (el) | 148.0 | [Mozilla Firefox (el) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.el-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (en-CA) | 148.0 | [Mozilla Firefox (en-CA) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-ca-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (en-GB) | 148.0 | [Mozilla Firefox (en-GB) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-gb-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (en-US) | 148.0 | [Mozilla Firefox (en-US) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (eo) | 148.0 | [Mozilla Firefox (eo) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eo-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (es-AR) | 148.0 | [Mozilla Firefox (es-AR) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-ar-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (es-CL) | 148.0 | [Mozilla Firefox (es-CL) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-cl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (es-ES) | 148.0 | [Mozilla Firefox (es-ES) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-es-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (es-MX) | 148.0 | [Mozilla Firefox (es-MX) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-mx-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (et) | 148.0 | [Mozilla Firefox (et) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.et-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (eu) | 148.0 | [Mozilla Firefox (eu) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eu-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (fa) | 148.0 | [Mozilla Firefox (fa) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fa-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ff) | 148.0 | [Mozilla Firefox (ff) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ff-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (fi) | 148.0 | [Mozilla Firefox (fi) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fi-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (fr) | 148.0 | [Mozilla Firefox (fr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (fur) | 148.0 | [Mozilla Firefox (fur) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fur-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (fy-NL) | 148.0 | [Mozilla Firefox (fy-NL) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fy-nl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ga-IE) | 148.0 | [Mozilla Firefox (ga-IE) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ga-ie-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (gd) | 148.0 | [Mozilla Firefox (gd) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gd-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (gl) | 148.0 | [Mozilla Firefox (gl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (gn) | 148.0 | [Mozilla Firefox (gn) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gn-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (gu-IN) | 148.0 | [Mozilla Firefox (gu-IN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gu-in-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (he) | 148.0 | [Mozilla Firefox (he) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.he-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (hi-IN) | 148.0 | [Mozilla Firefox (hi-IN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hi-in-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (hr) | 148.0 | [Mozilla Firefox (hr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (hsb) | 148.0 | [Mozilla Firefox (hsb) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hsb-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (hu) | 148.0 | [Mozilla Firefox (hu) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hu-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (hy-AM) | 148.0 | [Mozilla Firefox (hy-AM) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hy-am-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ia) | 148.0 | [Mozilla Firefox (ia) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ia-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (id) | 148.0 | [Mozilla Firefox (id) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.id-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (is) | 148.0 | [Mozilla Firefox (is) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.is-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (it) | 148.0 | [Mozilla Firefox (it) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.it-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ja) | 148.0 | [Mozilla Firefox (ja) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ja-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ka) | 148.0 | [Mozilla Firefox (ka) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ka-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (kab) | 148.0 | [Mozilla Firefox (kab) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kab-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (kk) | 148.0 | [Mozilla Firefox (kk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kk-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (km) | 148.0 | [Mozilla Firefox (km) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.km-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (kn) | 148.0 | [Mozilla Firefox (kn) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kn-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ko) | 148.0 | [Mozilla Firefox (ko) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ko-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (lij) | 148.0 | [Mozilla Firefox (lij) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lij-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (lt) | 148.0 | [Mozilla Firefox (lt) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lt-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (lv) | 148.0 | [Mozilla Firefox (lv) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lv-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (mk) | 148.0 | [Mozilla Firefox (mk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mk-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (mr) | 148.0 | [Mozilla Firefox (mr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ms) | 148.0 | [Mozilla Firefox (ms) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ms-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (my) | 148.0 | [Mozilla Firefox (my) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.my-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (nb-NO) | 148.0 | [Mozilla Firefox (nb-NO) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nb-no-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ne-NP) | 148.0 | [Mozilla Firefox (ne-NP) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ne-np-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (nl) | 148.0 | [Mozilla Firefox (nl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (nn-NO) | 148.0 | [Mozilla Firefox (nn-NO) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nn-no-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (oc) | 148.0 | [Mozilla Firefox (oc) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.oc-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (pa-IN) | 148.0 | [Mozilla Firefox (pa-IN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pa-in-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (pl) | 148.0 | [Mozilla Firefox (pl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (pt-BR) | 148.0 | [Mozilla Firefox (pt-BR) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-br-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (pt-PT) | 148.0 | [Mozilla Firefox (pt-PT) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-pt-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (rm) | 148.0 | [Mozilla Firefox (rm) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.rm-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ro) | 148.0 | [Mozilla Firefox (ro) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ro-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ru) | 148.0 | [Mozilla Firefox (ru) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ru-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (sc) | 148.0 | [Mozilla Firefox (sc) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sc-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (sco) | 148.0 | [Mozilla Firefox (sco) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sco-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (si) | 148.0 | [Mozilla Firefox (si) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.si-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (sk) | 148.0 | [Mozilla Firefox (sk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sk-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (sl) | 148.0 | [Mozilla Firefox (sl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (son) | 148.0 | [Mozilla Firefox (son) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.son-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (sq) | 148.0 | [Mozilla Firefox (sq) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sq-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (sr) | 148.0 | [Mozilla Firefox (sr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (sv-SE) | 148.0 | [Mozilla Firefox (sv-SE) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sv-se-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (szl) | 148.0 | [Mozilla Firefox (szl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.szl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ta) | 148.0 | [Mozilla Firefox (ta) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ta-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (te) | 148.0 | [Mozilla Firefox (te) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.te-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (tg) | 148.0 | [Mozilla Firefox (tg) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tg-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (th) | 148.0 | [Mozilla Firefox (th) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.th-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (tl) | 148.0 | [Mozilla Firefox (tl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (tr) | 148.0 | [Mozilla Firefox (tr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (trs) | 148.0 | [Mozilla Firefox (trs) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.trs-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (uk) | 148.0 | [Mozilla Firefox (uk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uk-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (ur) | 148.0 | [Mozilla Firefox (ur) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ur-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (uz) | 148.0 | [Mozilla Firefox (uz) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uz-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (vi) | 148.0 | [Mozilla Firefox (vi) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.vi-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (xh) | 148.0 | [Mozilla Firefox (xh) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.xh-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (zh-CN) | 148.0 | [Mozilla Firefox (zh-CN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-cn-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Firefox (zh-TW) | 148.0 | [Mozilla Firefox (zh-TW) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-tw-148.0.md) | Feb 24, 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) | 148.0 | [Mozilla Thunderbird (af) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.af-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ar) | 148.0 | [Mozilla Thunderbird (ar) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ar-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ast) | 148.0 | [Mozilla Thunderbird (ast) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ast-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (be) | 148.0 | [Mozilla Thunderbird (be) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.be-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (bg) | 148.0 | [Mozilla Thunderbird (bg) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.bg-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (br) | 148.0 | [Mozilla Thunderbird (br) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.br-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ca) | 148.0 | [Mozilla Thunderbird (ca) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ca-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (cak) | 148.0 | [Mozilla Thunderbird (cak) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cak-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (cs) | 148.0 | [Mozilla Thunderbird (cs) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cs-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (cy) | 148.0 | [Mozilla Thunderbird (cy) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cy-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (da) | 148.0 | [Mozilla Thunderbird (da) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.da-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (de) | 148.0 | [Mozilla Thunderbird (de) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.de-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (dsb) | 148.0 | [Mozilla Thunderbird (dsb) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.dsb-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (el) | 148.0 | [Mozilla Thunderbird (el) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.el-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (en-CA) | 148.0 | [Mozilla Thunderbird (en-CA) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-ca-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (en-GB) | 148.0 | [Mozilla Thunderbird (en-GB) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-gb-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (en-US) | 148.0 | [Mozilla Thunderbird (en-US) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (es-AR) | 148.0 | [Mozilla Thunderbird (es-AR) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-ar-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (es-ES) | 148.0 | [Mozilla Thunderbird (es-ES) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-es-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (es-MX) | 148.0 | [Mozilla Thunderbird (es-MX) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-mx-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (et) | 148.0 | [Mozilla Thunderbird (et) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.et-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (eu) | 148.0 | [Mozilla Thunderbird (eu) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.eu-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (fi) | 148.0 | [Mozilla Thunderbird (fi) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fi-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (fr) | 148.0 | [Mozilla Thunderbird (fr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (fy-NL) | 148.0 | [Mozilla Thunderbird (fy-NL) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fy-nl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ga-IE) | 148.0 | [Mozilla Thunderbird (ga-IE) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ga-ie-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (gd) | 148.0 | [Mozilla Thunderbird (gd) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gd-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (gl) | 148.0 | [Mozilla Thunderbird (gl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (he) | 148.0 | [Mozilla Thunderbird (he) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.he-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (hr) | 148.0 | [Mozilla Thunderbird (hr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (hsb) | 148.0 | [Mozilla Thunderbird (hsb) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hsb-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (hu) | 148.0 | [Mozilla Thunderbird (hu) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hu-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (hy-AM) | 148.0 | [Mozilla Thunderbird (hy-AM) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hy-am-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (id) | 148.0 | [Mozilla Thunderbird (id) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.id-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (is) | 148.0 | [Mozilla Thunderbird (is) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.is-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (it) | 148.0 | [Mozilla Thunderbird (it) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.it-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ja) | 148.0 | [Mozilla Thunderbird (ja) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ja-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ka) | 148.0 | [Mozilla Thunderbird (ka) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ka-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (kab) | 148.0 | [Mozilla Thunderbird (kab) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kab-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (kk) | 148.0 | [Mozilla Thunderbird (kk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kk-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ko) | 148.0 | [Mozilla Thunderbird (ko) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ko-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (lt) | 148.0 | [Mozilla Thunderbird (lt) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lt-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (lv) | 148.0 | [Mozilla Thunderbird (lv) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lv-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ms) | 148.0 | [Mozilla Thunderbird (ms) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ms-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (nb-NO) | 148.0 | [Mozilla Thunderbird (nb-NO) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nb-no-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (nl) | 148.0 | [Mozilla Thunderbird (nl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (nn-NO) | 148.0 | [Mozilla Thunderbird (nn-NO) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nn-no-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (pa-IN) | 148.0 | [Mozilla Thunderbird (pa-IN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pa-in-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (pl) | 148.0 | [Mozilla Thunderbird (pl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (pt-BR) | 148.0 | [Mozilla Thunderbird (pt-BR) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-br-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (pt-PT) | 148.0 | [Mozilla Thunderbird (pt-PT) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-pt-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (rm) | 148.0 | [Mozilla Thunderbird (rm) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.rm-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ro) | 148.0 | [Mozilla Thunderbird (ro) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ro-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (ru) | 148.0 | [Mozilla Thunderbird (ru) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ru-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (sk) | 148.0 | [Mozilla Thunderbird (sk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sk-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (sl) | 148.0 | [Mozilla Thunderbird (sl) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sl-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (sq) | 148.0 | [Mozilla Thunderbird (sq) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sq-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (sr) | 148.0 | [Mozilla Thunderbird (sr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (sv-SE) | 148.0 | [Mozilla Thunderbird (sv-SE) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sv-se-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (th) | 148.0 | [Mozilla Thunderbird (th) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.th-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (tr) | 148.0 | [Mozilla Thunderbird (tr) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.tr-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (uk) | 148.0 | [Mozilla Thunderbird (uk) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uk-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (uz) | 148.0 | [Mozilla Thunderbird (uz) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uz-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (vi) | 148.0 | [Mozilla Thunderbird (vi) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.vi-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (zh-CN) | 148.0 | [Mozilla Thunderbird (zh-CN) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-cn-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird (zh-TW) | 148.0 | [Mozilla Thunderbird (zh-TW) 148.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-tw-148.0.md) | Feb 24, 2026 |
| Windows apps | Mozilla Thunderbird ESR (af) | 153.0.1 | [Mozilla Thunderbird ESR (af) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.af-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ar) | 153.0.1 | [Mozilla Thunderbird ESR (ar) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ar-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ast) | 153.0.1 | [Mozilla Thunderbird ESR (ast) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ast-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (be) | 153.0.1 | [Mozilla Thunderbird ESR (be) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.be-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (bg) | 153.0.1 | [Mozilla Thunderbird ESR (bg) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.bg-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (br) | 153.0.1 | [Mozilla Thunderbird ESR (br) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.br-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ca) | 153.0.1 | [Mozilla Thunderbird ESR (ca) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ca-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cak) | 153.0.1 | [Mozilla Thunderbird ESR (cak) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cak-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cs) | 153.0.1 | [Mozilla Thunderbird ESR (cs) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cs-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cy) | 153.0.1 | [Mozilla Thunderbird ESR (cy) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cy-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (da) | 153.0.1 | [Mozilla Thunderbird ESR (da) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.da-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (de) | 153.0.1 | [Mozilla Thunderbird ESR (de) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.de-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (dsb) | 153.0.1 | [Mozilla Thunderbird ESR (dsb) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.dsb-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (el) | 153.0.1 | [Mozilla Thunderbird ESR (el) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.el-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-CA) | 153.0.1 | [Mozilla Thunderbird ESR (en-CA) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-ca-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-GB) | 153.0.1 | [Mozilla Thunderbird ESR (en-GB) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-gb-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-US) | 153.0.1 | [Mozilla Thunderbird ESR (en-US) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-AR) | 153.0.1 | [Mozilla Thunderbird ESR (es-AR) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-ar-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-ES) | 153.0.1 | [Mozilla Thunderbird ESR (es-ES) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-es-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-MX) | 153.0.1 | [Mozilla Thunderbird ESR (es-MX) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-mx-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (et) | 153.0.1 | [Mozilla Thunderbird ESR (et) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.et-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (eu) | 153.0.1 | [Mozilla Thunderbird ESR (eu) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.eu-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fi) | 153.0.1 | [Mozilla Thunderbird ESR (fi) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fi-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fr) | 153.0.1 | [Mozilla Thunderbird ESR (fr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fy-NL) | 153.0.1 | [Mozilla Thunderbird ESR (fy-NL) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fy-nl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ga-IE) | 153.0.1 | [Mozilla Thunderbird ESR (ga-IE) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ga-ie-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (gd) | 153.0.1 | [Mozilla Thunderbird ESR (gd) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gd-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (gl) | 153.0.1 | [Mozilla Thunderbird ESR (gl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (he) | 153.0.1 | [Mozilla Thunderbird ESR (he) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.he-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hr) | 153.0.1 | [Mozilla Thunderbird ESR (hr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hsb) | 153.0.1 | [Mozilla Thunderbird ESR (hsb) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hsb-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hu) | 153.0.1 | [Mozilla Thunderbird ESR (hu) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hu-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hy-AM) | 153.0.1 | [Mozilla Thunderbird ESR (hy-AM) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hy-am-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (id) | 153.0.1 | [Mozilla Thunderbird ESR (id) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.id-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (is) | 153.0.1 | [Mozilla Thunderbird ESR (is) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.is-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (it) | 153.0.1 | [Mozilla Thunderbird ESR (it) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.it-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ja) | 153.0.1 | [Mozilla Thunderbird ESR (ja) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ja-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ka) | 153.0.1 | [Mozilla Thunderbird ESR (ka) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ka-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (kab) | 153.0.1 | [Mozilla Thunderbird ESR (kab) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kab-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (kk) | 153.0.1 | [Mozilla Thunderbird ESR (kk) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kk-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ko) | 153.0.1 | [Mozilla Thunderbird ESR (ko) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ko-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (lt) | 153.0.1 | [Mozilla Thunderbird ESR (lt) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lt-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (lv) | 153.0.1 | [Mozilla Thunderbird ESR (lv) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lv-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ms) | 153.0.1 | [Mozilla Thunderbird ESR (ms) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ms-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nb-NO) | 153.0.1 | [Mozilla Thunderbird ESR (nb-NO) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nb-no-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nl) | 153.0.1 | [Mozilla Thunderbird ESR (nl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nn-NO) | 153.0.1 | [Mozilla Thunderbird ESR (nn-NO) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nn-no-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pa-IN) | 153.0.1 | [Mozilla Thunderbird ESR (pa-IN) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pa-in-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pl) | 153.0.1 | [Mozilla Thunderbird ESR (pl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pt-BR) | 153.0.1 | [Mozilla Thunderbird ESR (pt-BR) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-br-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pt-PT) | 153.0.1 | [Mozilla Thunderbird ESR (pt-PT) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-pt-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (rm) | 153.0.1 | [Mozilla Thunderbird ESR (rm) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.rm-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ro) | 153.0.1 | [Mozilla Thunderbird ESR (ro) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ro-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ru) | 153.0.1 | [Mozilla Thunderbird ESR (ru) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ru-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sk) | 153.0.1 | [Mozilla Thunderbird ESR (sk) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sk-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sl) | 153.0.1 | [Mozilla Thunderbird ESR (sl) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sl-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sq) | 153.0.1 | [Mozilla Thunderbird ESR (sq) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sq-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sr) | 153.0.1 | [Mozilla Thunderbird ESR (sr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sv-SE) | 153.0.1 | [Mozilla Thunderbird ESR (sv-SE) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sv-se-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (th) | 153.0.1 | [Mozilla Thunderbird ESR (th) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.th-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (tr) | 153.0.1 | [Mozilla Thunderbird ESR (tr) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.tr-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (uk) | 153.0.1 | [Mozilla Thunderbird ESR (uk) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uk-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (uz) | 153.0.1 | [Mozilla Thunderbird ESR (uz) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uz-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (vi) | 153.0.1 | [Mozilla Thunderbird ESR (vi) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.vi-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (zh-CN) | 153.0.1 | [Mozilla Thunderbird ESR (zh-CN) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-cn-153.0.1.md) | Jul 23, 2026 |
| Windows apps | Mozilla Thunderbird ESR (zh-TW) | 153.0.1 | [Mozilla Thunderbird ESR (zh-TW) 153.0.1](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-tw-153.0.1.md) | Jul 23, 2026 |
| macOS | Mozilla Firefox | 150.0.2 | [Mozilla Firefox 150.0.2](https://patchblox.com/security/data/fix/macos/org.mozilla.firefox-150.0.2.md) | May 6, 2026 |

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

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

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