# CVE-2025-1019: Fullscreen notification not properly displayed

CVE-2025-1019 is fixed in 212 products on 2 platforms, first by Firefox Developer Edition (ach) 135.0, released January 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-1019
- Priority: Routine
- CVSS: 4.3 (Medium)
- EPSS: 0.0036
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 4, 2025
- Weakness: CWE-1021: Improper Restriction of Rendered UI Layers or Frames
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-1019

## Description

The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Firefox Developer Edition (ach) | 135.0 | [Firefox Developer Edition (ach) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ach-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (af) | 135.0 | [Firefox Developer Edition (af) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.af-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (an) | 135.0 | [Firefox Developer Edition (an) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.an-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ar) | 135.0 | [Firefox Developer Edition (ar) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ar-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ast) | 135.0 | [Firefox Developer Edition (ast) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ast-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (az) | 135.0 | [Firefox Developer Edition (az) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.az-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (be) | 135.0 | [Firefox Developer Edition (be) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.be-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (bg) | 135.0 | [Firefox Developer Edition (bg) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bg-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (bn) | 135.0 | [Firefox Developer Edition (bn) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bn-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (br) | 135.0 | [Firefox Developer Edition (br) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.br-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (bs) | 135.0 | [Firefox Developer Edition (bs) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bs-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ca) | 135.0 | [Firefox Developer Edition (ca) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ca-valencia) | 135.0 | [Firefox Developer Edition (ca-valencia) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-valencia-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (cak) | 135.0 | [Firefox Developer Edition (cak) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cak-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (cs) | 135.0 | [Firefox Developer Edition (cs) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cs-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (cy) | 135.0 | [Firefox Developer Edition (cy) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cy-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (da) | 135.0 | [Firefox Developer Edition (da) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.da-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (de) | 135.0 | [Firefox Developer Edition (de) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.de-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (dsb) | 135.0 | [Firefox Developer Edition (dsb) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.dsb-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (el) | 135.0 | [Firefox Developer Edition (el) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.el-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (en-CA) | 135.0 | [Firefox Developer Edition (en-CA) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-ca-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (en-GB) | 135.0 | [Firefox Developer Edition (en-GB) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-gb-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (en-US) | 135.0 | [Firefox Developer Edition (en-US) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (eo) | 135.0 | [Firefox Developer Edition (eo) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eo-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (es-AR) | 135.0 | [Firefox Developer Edition (es-AR) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-ar-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (es-CL) | 135.0 | [Firefox Developer Edition (es-CL) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-cl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (es-ES) | 135.0 | [Firefox Developer Edition (es-ES) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-es-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (es-MX) | 135.0 | [Firefox Developer Edition (es-MX) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-mx-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (et) | 135.0 | [Firefox Developer Edition (et) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.et-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (eu) | 135.0 | [Firefox Developer Edition (eu) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eu-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (fa) | 135.0 | [Firefox Developer Edition (fa) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fa-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ff) | 135.0 | [Firefox Developer Edition (ff) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ff-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (fi) | 135.0 | [Firefox Developer Edition (fi) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fi-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (fr) | 135.0 | [Firefox Developer Edition (fr) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fr-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (fur) | 135.0 | [Firefox Developer Edition (fur) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fur-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (fy-NL) | 135.0 | [Firefox Developer Edition (fy-NL) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fy-nl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ga-IE) | 135.0 | [Firefox Developer Edition (ga-IE) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ga-ie-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (gd) | 135.0 | [Firefox Developer Edition (gd) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gd-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (gl) | 135.0 | [Firefox Developer Edition (gl) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (gn) | 135.0 | [Firefox Developer Edition (gn) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gn-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (gu-IN) | 135.0 | [Firefox Developer Edition (gu-IN) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gu-in-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (he) | 135.0 | [Firefox Developer Edition (he) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.he-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (hi-IN) | 135.0 | [Firefox Developer Edition (hi-IN) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hi-in-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (hr) | 135.0 | [Firefox Developer Edition (hr) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hr-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (hsb) | 135.0 | [Firefox Developer Edition (hsb) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hsb-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (hu) | 135.0 | [Firefox Developer Edition (hu) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hu-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (hy-AM) | 135.0 | [Firefox Developer Edition (hy-AM) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hy-am-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ia) | 135.0 | [Firefox Developer Edition (ia) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ia-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (id) | 135.0 | [Firefox Developer Edition (id) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.id-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (is) | 135.0 | [Firefox Developer Edition (is) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.is-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (it) | 135.0 | [Firefox Developer Edition (it) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.it-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ja) | 135.0 | [Firefox Developer Edition (ja) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ja-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ka) | 135.0 | [Firefox Developer Edition (ka) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ka-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (kab) | 135.0 | [Firefox Developer Edition (kab) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kab-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (kk) | 135.0 | [Firefox Developer Edition (kk) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kk-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (km) | 135.0 | [Firefox Developer Edition (km) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.km-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (kn) | 135.0 | [Firefox Developer Edition (kn) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kn-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ko) | 135.0 | [Firefox Developer Edition (ko) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ko-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (lij) | 135.0 | [Firefox Developer Edition (lij) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lij-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (lt) | 135.0 | [Firefox Developer Edition (lt) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lt-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (lv) | 135.0 | [Firefox Developer Edition (lv) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lv-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (mk) | 135.0 | [Firefox Developer Edition (mk) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mk-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (mr) | 135.0 | [Firefox Developer Edition (mr) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mr-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ms) | 135.0 | [Firefox Developer Edition (ms) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ms-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (my) | 135.0 | [Firefox Developer Edition (my) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.my-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (nb-NO) | 135.0 | [Firefox Developer Edition (nb-NO) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nb-no-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ne-NP) | 135.0 | [Firefox Developer Edition (ne-NP) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ne-np-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (nl) | 135.0 | [Firefox Developer Edition (nl) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (nn-NO) | 135.0 | [Firefox Developer Edition (nn-NO) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nn-no-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (oc) | 135.0 | [Firefox Developer Edition (oc) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.oc-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (pa-IN) | 135.0 | [Firefox Developer Edition (pa-IN) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pa-in-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (pl) | 135.0 | [Firefox Developer Edition (pl) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (pt-BR) | 135.0 | [Firefox Developer Edition (pt-BR) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-br-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (pt-PT) | 135.0 | [Firefox Developer Edition (pt-PT) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-pt-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (rm) | 135.0 | [Firefox Developer Edition (rm) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.rm-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ro) | 135.0 | [Firefox Developer Edition (ro) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ro-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ru) | 135.0 | [Firefox Developer Edition (ru) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ru-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (sc) | 135.0 | [Firefox Developer Edition (sc) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sc-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (sco) | 135.0 | [Firefox Developer Edition (sco) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sco-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (si) | 135.0 | [Firefox Developer Edition (si) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.si-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (sk) | 135.0 | [Firefox Developer Edition (sk) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sk-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (sl) | 135.0 | [Firefox Developer Edition (sl) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (sq) | 135.0 | [Firefox Developer Edition (sq) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sq-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (sr) | 135.0 | [Firefox Developer Edition (sr) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sr-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (sv-SE) | 135.0 | [Firefox Developer Edition (sv-SE) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sv-se-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (szl) | 135.0 | [Firefox Developer Edition (szl) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.szl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ta) | 135.0 | [Firefox Developer Edition (ta) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ta-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (te) | 135.0 | [Firefox Developer Edition (te) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.te-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (tg) | 135.0 | [Firefox Developer Edition (tg) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tg-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (th) | 135.0 | [Firefox Developer Edition (th) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.th-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (tl) | 135.0 | [Firefox Developer Edition (tl) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tl-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (tr) | 135.0 | [Firefox Developer Edition (tr) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tr-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (trs) | 135.0 | [Firefox Developer Edition (trs) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.trs-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (uk) | 135.0 | [Firefox Developer Edition (uk) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uk-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (ur) | 135.0 | [Firefox Developer Edition (ur) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ur-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (uz) | 135.0 | [Firefox Developer Edition (uz) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uz-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (vi) | 135.0 | [Firefox Developer Edition (vi) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.vi-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (xh) | 135.0 | [Firefox Developer Edition (xh) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.xh-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (zh-CN) | 135.0 | [Firefox Developer Edition (zh-CN) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-cn-135.0.md) | Jan 24, 2025 |
| Windows apps | Firefox Developer Edition (zh-TW) | 135.0 | [Firefox Developer Edition (zh-TW) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-tw-135.0.md) | Jan 24, 2025 |
| Windows apps | Mozilla Firefox (en-US) | 135.0 | [Mozilla Firefox (en-US) 135.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-135.0.md) | Feb 6, 2025 |
| Windows apps | Mozilla Firefox ESR (ach) | 140.3.0 | [Mozilla Firefox ESR (ach) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ach-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (af) | 140.3.0 | [Mozilla Firefox ESR (af) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.af-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (an) | 140.3.0 | [Mozilla Firefox ESR (an) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.an-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ar) | 140.3.0 | [Mozilla Firefox ESR (ar) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ar-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ast) | 140.3.0 | [Mozilla Firefox ESR (ast) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ast-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (az) | 140.3.0 | [Mozilla Firefox ESR (az) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.az-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (be) | 140.3.0 | [Mozilla Firefox ESR (be) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.be-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (bg) | 140.3.0 | [Mozilla Firefox ESR (bg) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bg-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (bn) | 140.3.0 | [Mozilla Firefox ESR (bn) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bn-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (br) | 140.3.0 | [Mozilla Firefox ESR (br) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.br-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (bs) | 140.3.0 | [Mozilla Firefox ESR (bs) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bs-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ca) | 140.3.0 | [Mozilla Firefox ESR (ca) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ca-valencia) | 140.3.0 | [Mozilla Firefox ESR (ca-valencia) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-valencia-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (cak) | 140.3.0 | [Mozilla Firefox ESR (cak) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cak-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (cs) | 140.3.0 | [Mozilla Firefox ESR (cs) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cs-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (cy) | 140.3.0 | [Mozilla Firefox ESR (cy) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cy-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (da) | 140.3.0 | [Mozilla Firefox ESR (da) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.da-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (de) | 140.3.0 | [Mozilla Firefox ESR (de) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.de-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (dsb) | 140.3.0 | [Mozilla Firefox ESR (dsb) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.dsb-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (el) | 140.3.0 | [Mozilla Firefox ESR (el) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.el-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (en-CA) | 140.3.0 | [Mozilla Firefox ESR (en-CA) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-ca-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (en-GB) | 140.3.0 | [Mozilla Firefox ESR (en-GB) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-gb-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (en-US) | 140.3.0 | [Mozilla Firefox ESR (en-US) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (eo) | 140.3.0 | [Mozilla Firefox ESR (eo) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eo-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (es-AR) | 140.3.0 | [Mozilla Firefox ESR (es-AR) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-ar-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (es-CL) | 140.3.0 | [Mozilla Firefox ESR (es-CL) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-cl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (es-ES) | 140.3.0 | [Mozilla Firefox ESR (es-ES) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-es-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (es-MX) | 140.3.0 | [Mozilla Firefox ESR (es-MX) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-mx-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (et) | 140.3.0 | [Mozilla Firefox ESR (et) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.et-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (eu) | 140.3.0 | [Mozilla Firefox ESR (eu) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eu-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (fa) | 140.3.0 | [Mozilla Firefox ESR (fa) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fa-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ff) | 140.3.0 | [Mozilla Firefox ESR (ff) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ff-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (fi) | 140.3.0 | [Mozilla Firefox ESR (fi) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fi-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (fr) | 140.3.0 | [Mozilla Firefox ESR (fr) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fr-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (fur) | 140.3.0 | [Mozilla Firefox ESR (fur) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fur-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (fy-NL) | 140.3.0 | [Mozilla Firefox ESR (fy-NL) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fy-nl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ga-IE) | 140.3.0 | [Mozilla Firefox ESR (ga-IE) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ga-ie-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (gd) | 140.3.0 | [Mozilla Firefox ESR (gd) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gd-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (gl) | 140.3.0 | [Mozilla Firefox ESR (gl) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (gn) | 140.3.0 | [Mozilla Firefox ESR (gn) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gn-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (gu-IN) | 140.3.0 | [Mozilla Firefox ESR (gu-IN) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gu-in-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (he) | 140.3.0 | [Mozilla Firefox ESR (he) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.he-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (hi-IN) | 140.3.0 | [Mozilla Firefox ESR (hi-IN) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hi-in-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (hr) | 140.3.0 | [Mozilla Firefox ESR (hr) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hr-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (hsb) | 140.3.0 | [Mozilla Firefox ESR (hsb) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hsb-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (hu) | 140.3.0 | [Mozilla Firefox ESR (hu) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hu-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (hy-AM) | 140.3.0 | [Mozilla Firefox ESR (hy-AM) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hy-am-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ia) | 140.3.0 | [Mozilla Firefox ESR (ia) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ia-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (id) | 140.3.0 | [Mozilla Firefox ESR (id) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.id-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (is) | 140.3.0 | [Mozilla Firefox ESR (is) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.is-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (it) | 140.3.0 | [Mozilla Firefox ESR (it) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.it-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ja) | 140.3.0 | [Mozilla Firefox ESR (ja) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ja-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ka) | 140.3.0 | [Mozilla Firefox ESR (ka) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ka-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (kab) | 140.3.0 | [Mozilla Firefox ESR (kab) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kab-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (kk) | 140.3.0 | [Mozilla Firefox ESR (kk) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kk-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (km) | 140.3.0 | [Mozilla Firefox ESR (km) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.km-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (kn) | 140.3.0 | [Mozilla Firefox ESR (kn) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kn-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ko) | 140.3.0 | [Mozilla Firefox ESR (ko) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ko-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (lij) | 140.3.0 | [Mozilla Firefox ESR (lij) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lij-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (lt) | 140.3.0 | [Mozilla Firefox ESR (lt) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lt-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (lv) | 140.3.0 | [Mozilla Firefox ESR (lv) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lv-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (mk) | 140.3.0 | [Mozilla Firefox ESR (mk) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mk-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (mr) | 140.3.0 | [Mozilla Firefox ESR (mr) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mr-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ms) | 140.3.0 | [Mozilla Firefox ESR (ms) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ms-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (my) | 140.3.0 | [Mozilla Firefox ESR (my) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.my-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (nb-NO) | 140.3.0 | [Mozilla Firefox ESR (nb-NO) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nb-no-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ne-NP) | 140.3.0 | [Mozilla Firefox ESR (ne-NP) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ne-np-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (nl) | 140.3.0 | [Mozilla Firefox ESR (nl) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (nn-NO) | 140.3.0 | [Mozilla Firefox ESR (nn-NO) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nn-no-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (oc) | 140.3.0 | [Mozilla Firefox ESR (oc) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.oc-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (pa-IN) | 140.3.0 | [Mozilla Firefox ESR (pa-IN) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pa-in-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (pl) | 140.3.0 | [Mozilla Firefox ESR (pl) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (pt-BR) | 140.3.0 | [Mozilla Firefox ESR (pt-BR) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-br-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (pt-PT) | 140.3.0 | [Mozilla Firefox ESR (pt-PT) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-pt-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (rm) | 140.3.0 | [Mozilla Firefox ESR (rm) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.rm-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ro) | 140.3.0 | [Mozilla Firefox ESR (ro) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ro-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ru) | 140.3.0 | [Mozilla Firefox ESR (ru) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ru-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (sat) | 140.13.0 | [Mozilla Firefox ESR (sat) 140.13.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sat-140.13.0.md) | Jul 20, 2026 |
| Windows apps | Mozilla Firefox ESR (sc) | 140.3.0 | [Mozilla Firefox ESR (sc) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sc-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (sco) | 140.3.0 | [Mozilla Firefox ESR (sco) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sco-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (si) | 140.3.0 | [Mozilla Firefox ESR (si) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.si-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (sk) | 140.3.0 | [Mozilla Firefox ESR (sk) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sk-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (sl) | 140.3.0 | [Mozilla Firefox ESR (sl) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (son) | 140.3.0 | [Mozilla Firefox ESR (son) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.son-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (sq) | 140.3.0 | [Mozilla Firefox ESR (sq) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sq-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (sr) | 140.3.0 | [Mozilla Firefox ESR (sr) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sr-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (sv-SE) | 140.3.0 | [Mozilla Firefox ESR (sv-SE) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sv-se-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (szl) | 140.3.0 | [Mozilla Firefox ESR (szl) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.szl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ta) | 140.3.0 | [Mozilla Firefox ESR (ta) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ta-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (te) | 140.3.0 | [Mozilla Firefox ESR (te) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.te-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (tg) | 140.3.0 | [Mozilla Firefox ESR (tg) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tg-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (th) | 140.3.0 | [Mozilla Firefox ESR (th) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.th-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (tl) | 140.3.0 | [Mozilla Firefox ESR (tl) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tl-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (tr) | 140.3.0 | [Mozilla Firefox ESR (tr) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tr-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (trs) | 140.3.0 | [Mozilla Firefox ESR (trs) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.trs-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (uk) | 140.3.0 | [Mozilla Firefox ESR (uk) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uk-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (ur) | 140.3.0 | [Mozilla Firefox ESR (ur) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ur-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (uz) | 140.3.0 | [Mozilla Firefox ESR (uz) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uz-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (vi) | 140.3.0 | [Mozilla Firefox ESR (vi) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.vi-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (xh) | 140.3.0 | [Mozilla Firefox ESR (xh) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.xh-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (zh-CN) | 140.3.0 | [Mozilla Firefox ESR (zh-CN) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-cn-140.3.0.md) | Sep 16, 2025 |
| Windows apps | Mozilla Firefox ESR (zh-TW) | 140.3.0 | [Mozilla Firefox ESR (zh-TW) 140.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-tw-140.3.0.md) | Sep 16, 2025 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 135.0+build2-0ubuntu0.20.04.1 | [firefox 135.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-135.0-build2-0ubuntu0.20.04.1.md) | Feb 5, 2025 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 135.0+build2-0ubuntu0.20.04.1 | [firefox-geckodriver 135.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-135.0-build2-0ubuntu0.20.04.1.md) | Feb 5, 2025 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 135.0+build2-0ubuntu0.20.04.1 | [firefox-mozsymbols 135.0+build2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-135.0-build2-0ubuntu0.20.04.1.md) | Feb 5, 2025 |
| Linux | thunderbird Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | thunderbird-gnome-support Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird-gnome-support 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-gnome-support-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | thunderbird-mozsymbols Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [thunderbird-mozsymbols 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-thunderbird-mozsymbols-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-calendar-timezones Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-calendar-timezones 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-calendar-timezones-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-gdata-provider Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-gdata-provider 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-gdata-provider-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |
| Linux | xul-ext-lightning Ubuntu 22.04.1 LTS (jammy) | 1:140.7.1+build1-0ubuntu0.22.04.1 | [xul-ext-lightning 1:140.7.1+build1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xul-ext-lightning-1-140.7.1-build1-0ubuntu0.22.04.1.md) | Jan 28, 2026 |

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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

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