# CVE-2026-8946: Incorrect boundary conditions in the Audio/Video: Web Codecs component CVE-2026-8946 is fixed in 444 products on 3 platforms, first by Mozilla Thunderbird (af) 141.0, released July 22, 2025. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-8946 - Priority: High - CVSS: 7.5 (important) - EPSS: 0.0056 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 19, 2026 - Weakness: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-8946 ## Description Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Firefox Developer Edition (ach) | 151.0 | [Firefox Developer Edition (ach) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ach-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (af) | 151.0 | [Firefox Developer Edition (af) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.af-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (an) | 151.0 | [Firefox Developer Edition (an) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.an-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ar) | 151.0 | [Firefox Developer Edition (ar) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ar-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ast) | 151.0 | [Firefox Developer Edition (ast) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ast-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (az) | 151.0 | [Firefox Developer Edition (az) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.az-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (be) | 151.0 | [Firefox Developer Edition (be) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.be-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (bg) | 151.0 | [Firefox Developer Edition (bg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bg-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (bn) | 151.0 | [Firefox Developer Edition (bn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bn-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (br) | 151.0 | [Firefox Developer Edition (br) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.br-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (bs) | 151.0 | [Firefox Developer Edition (bs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.bs-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ca) | 151.0 | [Firefox Developer Edition (ca) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ca-valencia) | 151.0 | [Firefox Developer Edition (ca-valencia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ca-valencia-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (cak) | 151.0 | [Firefox Developer Edition (cak) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cak-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (cs) | 151.0 | [Firefox Developer Edition (cs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cs-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (cy) | 151.0 | [Firefox Developer Edition (cy) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.cy-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (da) | 151.0 | [Firefox Developer Edition (da) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.da-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (de) | 151.0 | [Firefox Developer Edition (de) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.de-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (dsb) | 151.0 | [Firefox Developer Edition (dsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.dsb-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (el) | 151.0 | [Firefox Developer Edition (el) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.el-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (en-CA) | 151.0 | [Firefox Developer Edition (en-CA) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-ca-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (en-GB) | 151.0 | [Firefox Developer Edition (en-GB) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.en-gb-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (en-US) | 151.0 | [Firefox Developer Edition (en-US) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (eo) | 151.0 | [Firefox Developer Edition (eo) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eo-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (es-AR) | 151.0 | [Firefox Developer Edition (es-AR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-ar-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (es-CL) | 151.0 | [Firefox Developer Edition (es-CL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-cl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (es-ES) | 151.0 | [Firefox Developer Edition (es-ES) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-es-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (es-MX) | 151.0 | [Firefox Developer Edition (es-MX) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.es-mx-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (et) | 151.0 | [Firefox Developer Edition (et) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.et-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (eu) | 151.0 | [Firefox Developer Edition (eu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.eu-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (fa) | 151.0 | [Firefox Developer Edition (fa) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fa-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ff) | 151.0 | [Firefox Developer Edition (ff) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ff-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (fi) | 151.0 | [Firefox Developer Edition (fi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fi-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (fr) | 151.0 | [Firefox Developer Edition (fr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fr-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (fur) | 151.0 | [Firefox Developer Edition (fur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fur-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (fy-NL) | 151.0 | [Firefox Developer Edition (fy-NL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.fy-nl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ga-IE) | 151.0 | [Firefox Developer Edition (ga-IE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ga-ie-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (gd) | 151.0 | [Firefox Developer Edition (gd) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gd-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (gl) | 151.0 | [Firefox Developer Edition (gl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (gn) | 151.0 | [Firefox Developer Edition (gn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gn-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (gu-IN) | 151.0 | [Firefox Developer Edition (gu-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.gu-in-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (he) | 151.0 | [Firefox Developer Edition (he) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.he-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (hi-IN) | 151.0 | [Firefox Developer Edition (hi-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hi-in-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (hr) | 151.0 | [Firefox Developer Edition (hr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hr-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (hsb) | 151.0 | [Firefox Developer Edition (hsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hsb-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (hu) | 151.0 | [Firefox Developer Edition (hu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hu-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (hy-AM) | 151.0 | [Firefox Developer Edition (hy-AM) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.hy-am-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ia) | 151.0 | [Firefox Developer Edition (ia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ia-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (id) | 151.0 | [Firefox Developer Edition (id) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.id-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (is) | 151.0 | [Firefox Developer Edition (is) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.is-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (it) | 151.0 | [Firefox Developer Edition (it) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.it-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ja) | 151.0 | [Firefox Developer Edition (ja) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ja-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ka) | 151.0 | [Firefox Developer Edition (ka) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ka-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (kab) | 151.0 | [Firefox Developer Edition (kab) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kab-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (kk) | 151.0 | [Firefox Developer Edition (kk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kk-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (km) | 151.0 | [Firefox Developer Edition (km) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.km-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (kn) | 151.0 | [Firefox Developer Edition (kn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.kn-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ko) | 151.0 | [Firefox Developer Edition (ko) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ko-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (lij) | 151.0 | [Firefox Developer Edition (lij) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lij-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (lt) | 151.0 | [Firefox Developer Edition (lt) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lt-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (lv) | 151.0 | [Firefox Developer Edition (lv) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.lv-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (mk) | 151.0 | [Firefox Developer Edition (mk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mk-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (mr) | 151.0 | [Firefox Developer Edition (mr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.mr-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ms) | 151.0 | [Firefox Developer Edition (ms) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ms-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (my) | 151.0 | [Firefox Developer Edition (my) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.my-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (nb-NO) | 151.0 | [Firefox Developer Edition (nb-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nb-no-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ne-NP) | 151.0 | [Firefox Developer Edition (ne-NP) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ne-np-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (nl) | 151.0 | [Firefox Developer Edition (nl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (nn-NO) | 151.0 | [Firefox Developer Edition (nn-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.nn-no-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (oc) | 151.0 | [Firefox Developer Edition (oc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.oc-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (pa-IN) | 151.0 | [Firefox Developer Edition (pa-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pa-in-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (pl) | 151.0 | [Firefox Developer Edition (pl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (pt-BR) | 151.0 | [Firefox Developer Edition (pt-BR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-br-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (pt-PT) | 151.0 | [Firefox Developer Edition (pt-PT) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.pt-pt-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (rm) | 151.0 | [Firefox Developer Edition (rm) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.rm-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ro) | 151.0 | [Firefox Developer Edition (ro) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ro-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ru) | 151.0 | [Firefox Developer Edition (ru) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ru-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (sc) | 151.0 | [Firefox Developer Edition (sc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sc-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (sco) | 151.0 | [Firefox Developer Edition (sco) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sco-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (si) | 151.0 | [Firefox Developer Edition (si) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.si-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (sk) | 151.0 | [Firefox Developer Edition (sk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sk-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (sl) | 151.0 | [Firefox Developer Edition (sl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (son) | 151.0 | [Firefox Developer Edition (son) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.son-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (sq) | 151.0 | [Firefox Developer Edition (sq) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sq-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (sr) | 151.0 | [Firefox Developer Edition (sr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sr-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (sv-SE) | 151.0 | [Firefox Developer Edition (sv-SE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.sv-se-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (szl) | 151.0 | [Firefox Developer Edition (szl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.szl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ta) | 151.0 | [Firefox Developer Edition (ta) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ta-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (te) | 151.0 | [Firefox Developer Edition (te) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.te-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (tg) | 151.0 | [Firefox Developer Edition (tg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tg-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (th) | 151.0 | [Firefox Developer Edition (th) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.th-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (tl) | 151.0 | [Firefox Developer Edition (tl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tl-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (tr) | 151.0 | [Firefox Developer Edition (tr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.tr-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (trs) | 151.0 | [Firefox Developer Edition (trs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.trs-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (uk) | 151.0 | [Firefox Developer Edition (uk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uk-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (ur) | 151.0 | [Firefox Developer Edition (ur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.ur-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (uz) | 151.0 | [Firefox Developer Edition (uz) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.uz-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (vi) | 151.0 | [Firefox Developer Edition (vi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.vi-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (xh) | 151.0 | [Firefox Developer Edition (xh) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.xh-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (zh-CN) | 151.0 | [Firefox Developer Edition (zh-CN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-cn-151.0.md) | May 13, 2026 | | Windows apps | Firefox Developer Edition (zh-TW) | 151.0 | [Firefox Developer Edition (zh-TW) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition.zh-tw-151.0.md) | May 13, 2026 | | Windows apps | Mozilla Firefox (ach) | 151.0 | [Mozilla Firefox (ach) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ach-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (af) | 151.0 | [Mozilla Firefox (af) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.af-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (an) | 151.0 | [Mozilla Firefox (an) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.an-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ar) | 151.0 | [Mozilla Firefox (ar) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ar-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ast) | 151.0 | [Mozilla Firefox (ast) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ast-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (az) | 151.0 | [Mozilla Firefox (az) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.az-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (be) | 151.0 | [Mozilla Firefox (be) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.be-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (bg) | 151.0 | [Mozilla Firefox (bg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bg-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (bn) | 151.0 | [Mozilla Firefox (bn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bn-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (br) | 151.0 | [Mozilla Firefox (br) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.br-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (bs) | 151.0 | [Mozilla Firefox (bs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bs-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ca) | 151.0 | [Mozilla Firefox (ca) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ca-valencia) | 151.0 | [Mozilla Firefox (ca-valencia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-valencia-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (cak) | 151.0 | [Mozilla Firefox (cak) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cak-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (cs) | 151.0 | [Mozilla Firefox (cs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cs-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (cy) | 151.0 | [Mozilla Firefox (cy) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cy-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (da) | 151.0 | [Mozilla Firefox (da) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.da-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (de) | 151.0 | [Mozilla Firefox (de) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.de-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (dsb) | 151.0 | [Mozilla Firefox (dsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.dsb-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (el) | 151.0 | [Mozilla Firefox (el) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.el-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (en-CA) | 151.0 | [Mozilla Firefox (en-CA) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-ca-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (en-GB) | 151.0 | [Mozilla Firefox (en-GB) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-gb-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (en-US) | 151.0 | [Mozilla Firefox (en-US) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (eo) | 151.0 | [Mozilla Firefox (eo) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eo-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (es-AR) | 151.0 | [Mozilla Firefox (es-AR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-ar-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (es-CL) | 151.0 | [Mozilla Firefox (es-CL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-cl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (es-ES) | 151.0 | [Mozilla Firefox (es-ES) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-es-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (es-MX) | 151.0 | [Mozilla Firefox (es-MX) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-mx-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (et) | 151.0 | [Mozilla Firefox (et) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.et-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (eu) | 151.0 | [Mozilla Firefox (eu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eu-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (fa) | 151.0 | [Mozilla Firefox (fa) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fa-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ff) | 151.0 | [Mozilla Firefox (ff) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ff-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (fi) | 151.0 | [Mozilla Firefox (fi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fi-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (fr) | 151.0 | [Mozilla Firefox (fr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fr-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (fur) | 151.0 | [Mozilla Firefox (fur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fur-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (fy-NL) | 151.0 | [Mozilla Firefox (fy-NL) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fy-nl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ga-IE) | 151.0 | [Mozilla Firefox (ga-IE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ga-ie-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (gd) | 151.0 | [Mozilla Firefox (gd) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gd-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (gl) | 151.0 | [Mozilla Firefox (gl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (gn) | 151.0 | [Mozilla Firefox (gn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gn-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (gu-IN) | 151.0 | [Mozilla Firefox (gu-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gu-in-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (he) | 151.0 | [Mozilla Firefox (he) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.he-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (hi-IN) | 151.0 | [Mozilla Firefox (hi-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hi-in-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (hr) | 151.0 | [Mozilla Firefox (hr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hr-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (hsb) | 151.0 | [Mozilla Firefox (hsb) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hsb-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (hu) | 151.0 | [Mozilla Firefox (hu) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hu-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (hy-AM) | 151.0 | [Mozilla Firefox (hy-AM) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hy-am-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ia) | 151.0 | [Mozilla Firefox (ia) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ia-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (id) | 151.0 | [Mozilla Firefox (id) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.id-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (is) | 151.0 | [Mozilla Firefox (is) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.is-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (it) | 151.0 | [Mozilla Firefox (it) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.it-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ja) | 151.0 | [Mozilla Firefox (ja) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ja-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ka) | 151.0 | [Mozilla Firefox (ka) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ka-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (kab) | 151.0 | [Mozilla Firefox (kab) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kab-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (kk) | 151.0 | [Mozilla Firefox (kk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kk-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (km) | 151.0 | [Mozilla Firefox (km) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.km-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (kn) | 151.0 | [Mozilla Firefox (kn) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kn-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ko) | 151.0 | [Mozilla Firefox (ko) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ko-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (lij) | 151.0 | [Mozilla Firefox (lij) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lij-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (lt) | 151.0 | [Mozilla Firefox (lt) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lt-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (lv) | 151.0 | [Mozilla Firefox (lv) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lv-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (mk) | 151.0 | [Mozilla Firefox (mk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mk-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (mr) | 151.0 | [Mozilla Firefox (mr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mr-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ms) | 151.0 | [Mozilla Firefox (ms) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ms-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (my) | 151.0 | [Mozilla Firefox (my) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.my-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (nb-NO) | 151.0 | [Mozilla Firefox (nb-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nb-no-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ne-NP) | 151.0 | [Mozilla Firefox (ne-NP) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ne-np-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (nl) | 151.0 | [Mozilla Firefox (nl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (nn-NO) | 151.0 | [Mozilla Firefox (nn-NO) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nn-no-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (oc) | 151.0 | [Mozilla Firefox (oc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.oc-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (pa-IN) | 151.0 | [Mozilla Firefox (pa-IN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pa-in-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (pl) | 151.0 | [Mozilla Firefox (pl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (pt-BR) | 151.0 | [Mozilla Firefox (pt-BR) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-br-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (pt-PT) | 151.0 | [Mozilla Firefox (pt-PT) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-pt-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (rm) | 151.0 | [Mozilla Firefox (rm) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.rm-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ro) | 151.0 | [Mozilla Firefox (ro) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ro-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ru) | 151.0 | [Mozilla Firefox (ru) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ru-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (sc) | 151.0 | [Mozilla Firefox (sc) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sc-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (sco) | 151.0 | [Mozilla Firefox (sco) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sco-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (si) | 151.0 | [Mozilla Firefox (si) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.si-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (sk) | 151.0 | [Mozilla Firefox (sk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sk-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (sl) | 151.0 | [Mozilla Firefox (sl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (son) | 151.0 | [Mozilla Firefox (son) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.son-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (sq) | 151.0 | [Mozilla Firefox (sq) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sq-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (sr) | 151.0 | [Mozilla Firefox (sr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sr-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (sv-SE) | 151.0 | [Mozilla Firefox (sv-SE) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sv-se-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (szl) | 151.0 | [Mozilla Firefox (szl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.szl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ta) | 151.0 | [Mozilla Firefox (ta) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ta-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (te) | 151.0 | [Mozilla Firefox (te) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.te-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (tg) | 151.0 | [Mozilla Firefox (tg) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tg-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (th) | 151.0 | [Mozilla Firefox (th) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.th-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (tl) | 151.0 | [Mozilla Firefox (tl) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tl-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (tr) | 151.0 | [Mozilla Firefox (tr) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tr-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (trs) | 151.0 | [Mozilla Firefox (trs) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.trs-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (uk) | 151.0 | [Mozilla Firefox (uk) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uk-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (ur) | 151.0 | [Mozilla Firefox (ur) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ur-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (uz) | 151.0 | [Mozilla Firefox (uz) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uz-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (vi) | 151.0 | [Mozilla Firefox (vi) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.vi-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (xh) | 151.0 | [Mozilla Firefox (xh) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.xh-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (zh-CN) | 151.0 | [Mozilla Firefox (zh-CN) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-cn-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox (zh-TW) | 151.0 | [Mozilla Firefox (zh-TW) 151.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-tw-151.0.md) | May 19, 2026 | | Windows apps | Mozilla Firefox ESR (ach) | 153.0.0 | [Mozilla Firefox ESR (ach) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ach-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (af) | 153.0.0 | [Mozilla Firefox ESR (af) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.af-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (an) | 153.0.0 | [Mozilla Firefox ESR (an) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.an-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ar) | 153.0.0 | [Mozilla Firefox ESR (ar) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ar-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ast) | 153.0.0 | [Mozilla Firefox ESR (ast) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ast-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (az) | 153.0.0 | [Mozilla Firefox ESR (az) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.az-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (be) | 153.0.0 | [Mozilla Firefox ESR (be) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.be-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (bg) | 153.0.0 | [Mozilla Firefox ESR (bg) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bg-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (bn) | 153.0.0 | [Mozilla Firefox ESR (bn) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bn-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (br) | 153.0.0 | [Mozilla Firefox ESR (br) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.br-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (bs) | 153.0.0 | [Mozilla Firefox ESR (bs) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bs-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ca) | 153.0.0 | [Mozilla Firefox ESR (ca) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ca-valencia) | 153.0.0 | [Mozilla Firefox ESR (ca-valencia) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-valencia-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (cak) | 153.0.0 | [Mozilla Firefox ESR (cak) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cak-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (cs) | 153.0.0 | [Mozilla Firefox ESR (cs) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cs-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (cy) | 153.0.0 | [Mozilla Firefox ESR (cy) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cy-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (da) | 153.0.0 | [Mozilla Firefox ESR (da) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.da-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (de) | 153.0.0 | [Mozilla Firefox ESR (de) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.de-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (dsb) | 153.0.0 | [Mozilla Firefox ESR (dsb) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.dsb-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (el) | 153.0.0 | [Mozilla Firefox ESR (el) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.el-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (en-CA) | 153.0.0 | [Mozilla Firefox ESR (en-CA) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-ca-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (en-GB) | 153.0.0 | [Mozilla Firefox ESR (en-GB) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-gb-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (en-US) | 153.0.0 | [Mozilla Firefox ESR (en-US) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (eo) | 153.0.0 | [Mozilla Firefox ESR (eo) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eo-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (es-AR) | 153.0.0 | [Mozilla Firefox ESR (es-AR) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-ar-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (es-CL) | 153.0.0 | [Mozilla Firefox ESR (es-CL) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-cl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (es-ES) | 153.0.0 | [Mozilla Firefox ESR (es-ES) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-es-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (es-MX) | 153.0.0 | [Mozilla Firefox ESR (es-MX) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-mx-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (et) | 153.0.0 | [Mozilla Firefox ESR (et) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.et-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (eu) | 153.0.0 | [Mozilla Firefox ESR (eu) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eu-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (fa) | 153.0.0 | [Mozilla Firefox ESR (fa) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fa-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ff) | 153.0.0 | [Mozilla Firefox ESR (ff) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ff-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (fi) | 153.0.0 | [Mozilla Firefox ESR (fi) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fi-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (fr) | 153.0.0 | [Mozilla Firefox ESR (fr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fr-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (fur) | 153.0.0 | [Mozilla Firefox ESR (fur) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fur-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (fy-NL) | 153.0.0 | [Mozilla Firefox ESR (fy-NL) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fy-nl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ga-IE) | 153.0.0 | [Mozilla Firefox ESR (ga-IE) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ga-ie-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (gd) | 153.0.0 | [Mozilla Firefox ESR (gd) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gd-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (gl) | 153.0.0 | [Mozilla Firefox ESR (gl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (gn) | 153.0.0 | [Mozilla Firefox ESR (gn) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gn-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (gu-IN) | 153.0.0 | [Mozilla Firefox ESR (gu-IN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gu-in-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (he) | 153.0.0 | [Mozilla Firefox ESR (he) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.he-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (hi-IN) | 153.0.0 | [Mozilla Firefox ESR (hi-IN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hi-in-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (hr) | 153.0.0 | [Mozilla Firefox ESR (hr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hr-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (hsb) | 153.0.0 | [Mozilla Firefox ESR (hsb) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hsb-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (hu) | 153.0.0 | [Mozilla Firefox ESR (hu) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hu-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (hy-AM) | 153.0.0 | [Mozilla Firefox ESR (hy-AM) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hy-am-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ia) | 153.0.0 | [Mozilla Firefox ESR (ia) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ia-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (id) | 153.0.0 | [Mozilla Firefox ESR (id) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.id-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (is) | 153.0.0 | [Mozilla Firefox ESR (is) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.is-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (it) | 153.0.0 | [Mozilla Firefox ESR (it) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.it-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ja) | 153.0.0 | [Mozilla Firefox ESR (ja) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ja-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ka) | 153.0.0 | [Mozilla Firefox ESR (ka) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ka-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (kab) | 153.0.0 | [Mozilla Firefox ESR (kab) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kab-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (kk) | 153.0.0 | [Mozilla Firefox ESR (kk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kk-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (km) | 153.0.0 | [Mozilla Firefox ESR (km) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.km-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (kn) | 153.0.0 | [Mozilla Firefox ESR (kn) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kn-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ko) | 153.0.0 | [Mozilla Firefox ESR (ko) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ko-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (lij) | 153.0.0 | [Mozilla Firefox ESR (lij) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lij-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (lt) | 153.0.0 | [Mozilla Firefox ESR (lt) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lt-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (lv) | 153.0.0 | [Mozilla Firefox ESR (lv) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lv-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (mk) | 153.0.0 | [Mozilla Firefox ESR (mk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mk-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (mr) | 153.0.0 | [Mozilla Firefox ESR (mr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mr-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ms) | 153.0.0 | [Mozilla Firefox ESR (ms) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ms-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (my) | 153.0.0 | [Mozilla Firefox ESR (my) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.my-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (nb-NO) | 153.0.0 | [Mozilla Firefox ESR (nb-NO) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nb-no-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ne-NP) | 153.0.0 | [Mozilla Firefox ESR (ne-NP) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ne-np-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (nl) | 153.0.0 | [Mozilla Firefox ESR (nl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (nn-NO) | 153.0.0 | [Mozilla Firefox ESR (nn-NO) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nn-no-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (oc) | 153.0.0 | [Mozilla Firefox ESR (oc) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.oc-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (pa-IN) | 153.0.0 | [Mozilla Firefox ESR (pa-IN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pa-in-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (pl) | 153.0.0 | [Mozilla Firefox ESR (pl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (pt-BR) | 153.0.0 | [Mozilla Firefox ESR (pt-BR) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-br-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (pt-PT) | 153.0.0 | [Mozilla Firefox ESR (pt-PT) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-pt-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (rm) | 153.0.0 | [Mozilla Firefox ESR (rm) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.rm-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ro) | 153.0.0 | [Mozilla Firefox ESR (ro) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ro-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ru) | 153.0.0 | [Mozilla Firefox ESR (ru) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ru-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sat) | 153.0.0 | [Mozilla Firefox ESR (sat) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sat-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sc) | 153.0.0 | [Mozilla Firefox ESR (sc) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sc-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sco) | 153.0.0 | [Mozilla Firefox ESR (sco) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sco-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (si) | 153.0.0 | [Mozilla Firefox ESR (si) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.si-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sk) | 153.0.0 | [Mozilla Firefox ESR (sk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sk-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sl) | 153.0.0 | [Mozilla Firefox ESR (sl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (son) | 153.0.0 | [Mozilla Firefox ESR (son) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.son-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sq) | 153.0.0 | [Mozilla Firefox ESR (sq) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sq-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sr) | 153.0.0 | [Mozilla Firefox ESR (sr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sr-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (sv-SE) | 153.0.0 | [Mozilla Firefox ESR (sv-SE) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sv-se-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (szl) | 153.0.0 | [Mozilla Firefox ESR (szl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.szl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ta) | 153.0.0 | [Mozilla Firefox ESR (ta) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ta-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (te) | 153.0.0 | [Mozilla Firefox ESR (te) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.te-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (tg) | 153.0.0 | [Mozilla Firefox ESR (tg) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tg-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (th) | 153.0.0 | [Mozilla Firefox ESR (th) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.th-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (tl) | 153.0.0 | [Mozilla Firefox ESR (tl) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tl-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (tr) | 153.0.0 | [Mozilla Firefox ESR (tr) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tr-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (trs) | 153.0.0 | [Mozilla Firefox ESR (trs) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.trs-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (uk) | 153.0.0 | [Mozilla Firefox ESR (uk) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uk-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (ur) | 153.0.0 | [Mozilla Firefox ESR (ur) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ur-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (uz) | 153.0.0 | [Mozilla Firefox ESR (uz) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uz-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (vi) | 153.0.0 | [Mozilla Firefox ESR (vi) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.vi-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (xh) | 153.0.0 | [Mozilla Firefox ESR (xh) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.xh-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (zh-CN) | 153.0.0 | [Mozilla Firefox ESR (zh-CN) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-cn-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Firefox ESR (zh-TW) | 153.0.0 | [Mozilla Firefox ESR (zh-TW) 153.0.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-tw-153.0.0.md) | Jul 20, 2026 | | Windows apps | Mozilla Thunderbird (af) | 141.0 | [Mozilla Thunderbird (af) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.af-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ar) | 141.0 | [Mozilla Thunderbird (ar) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ar-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ast) | 141.0 | [Mozilla Thunderbird (ast) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ast-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (be) | 141.0 | [Mozilla Thunderbird (be) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.be-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (bg) | 141.0 | [Mozilla Thunderbird (bg) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.bg-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (br) | 141.0 | [Mozilla Thunderbird (br) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.br-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ca) | 141.0 | [Mozilla Thunderbird (ca) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ca-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (cak) | 141.0 | [Mozilla Thunderbird (cak) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cak-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (cs) | 141.0 | [Mozilla Thunderbird (cs) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cs-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (cy) | 141.0 | [Mozilla Thunderbird (cy) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cy-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (da) | 141.0 | [Mozilla Thunderbird (da) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.da-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (de) | 141.0 | [Mozilla Thunderbird (de) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.de-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (dsb) | 141.0 | [Mozilla Thunderbird (dsb) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.dsb-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (el) | 141.0 | [Mozilla Thunderbird (el) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.el-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (en-CA) | 141.0 | [Mozilla Thunderbird (en-CA) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-ca-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (en-GB) | 141.0 | [Mozilla Thunderbird (en-GB) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-gb-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (en-US) | 141.0 | [Mozilla Thunderbird (en-US) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (es-AR) | 141.0 | [Mozilla Thunderbird (es-AR) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-ar-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (es-ES) | 141.0 | [Mozilla Thunderbird (es-ES) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-es-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (es-MX) | 141.0 | [Mozilla Thunderbird (es-MX) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-mx-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (et) | 141.0 | [Mozilla Thunderbird (et) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.et-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (eu) | 141.0 | [Mozilla Thunderbird (eu) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.eu-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (fi) | 141.0 | [Mozilla Thunderbird (fi) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fi-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (fr) | 141.0 | [Mozilla Thunderbird (fr) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fr-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (fy-NL) | 141.0 | [Mozilla Thunderbird (fy-NL) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fy-nl-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ga-IE) | 141.0 | [Mozilla Thunderbird (ga-IE) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ga-ie-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (gd) | 141.0 | [Mozilla Thunderbird (gd) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gd-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (gl) | 141.0 | [Mozilla Thunderbird (gl) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gl-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (he) | 141.0 | [Mozilla Thunderbird (he) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.he-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (hr) | 141.0 | [Mozilla Thunderbird (hr) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hr-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (hsb) | 141.0 | [Mozilla Thunderbird (hsb) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hsb-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (hu) | 141.0 | [Mozilla Thunderbird (hu) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hu-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (hy-AM) | 141.0 | [Mozilla Thunderbird (hy-AM) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hy-am-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (id) | 141.0 | [Mozilla Thunderbird (id) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.id-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (is) | 141.0 | [Mozilla Thunderbird (is) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.is-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (it) | 141.0 | [Mozilla Thunderbird (it) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.it-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ja) | 141.0 | [Mozilla Thunderbird (ja) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ja-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ka) | 141.0 | [Mozilla Thunderbird (ka) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ka-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (kab) | 141.0 | [Mozilla Thunderbird (kab) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kab-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (kk) | 141.0 | [Mozilla Thunderbird (kk) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kk-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ko) | 141.0 | [Mozilla Thunderbird (ko) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ko-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (lt) | 141.0 | [Mozilla Thunderbird (lt) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lt-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (lv) | 141.0 | [Mozilla Thunderbird (lv) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lv-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ms) | 141.0 | [Mozilla Thunderbird (ms) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ms-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (nb-NO) | 141.0 | [Mozilla Thunderbird (nb-NO) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nb-no-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (nl) | 141.0 | [Mozilla Thunderbird (nl) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nl-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (nn-NO) | 141.0 | [Mozilla Thunderbird (nn-NO) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nn-no-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (pa-IN) | 141.0 | [Mozilla Thunderbird (pa-IN) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pa-in-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (pl) | 141.0 | [Mozilla Thunderbird (pl) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pl-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (pt-BR) | 141.0 | [Mozilla Thunderbird (pt-BR) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-br-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (pt-PT) | 141.0 | [Mozilla Thunderbird (pt-PT) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-pt-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (rm) | 141.0 | [Mozilla Thunderbird (rm) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.rm-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ro) | 141.0 | [Mozilla Thunderbird (ro) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ro-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (ru) | 141.0 | [Mozilla Thunderbird (ru) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ru-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (sk) | 141.0 | [Mozilla Thunderbird (sk) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sk-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (sl) | 141.0 | [Mozilla Thunderbird (sl) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sl-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (sq) | 141.0 | [Mozilla Thunderbird (sq) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sq-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (sr) | 141.0 | [Mozilla Thunderbird (sr) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sr-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (sv-SE) | 141.0 | [Mozilla Thunderbird (sv-SE) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sv-se-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (th) | 141.0 | [Mozilla Thunderbird (th) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.th-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (tr) | 141.0 | [Mozilla Thunderbird (tr) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.tr-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (uk) | 141.0 | [Mozilla Thunderbird (uk) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uk-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (uz) | 141.0 | [Mozilla Thunderbird (uz) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uz-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (vi) | 141.0 | [Mozilla Thunderbird (vi) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.vi-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (zh-CN) | 141.0 | [Mozilla Thunderbird (zh-CN) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-cn-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird (zh-TW) | 141.0 | [Mozilla Thunderbird (zh-TW) 141.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-tw-141.0.md) | Jul 22, 2025 | | Windows apps | Mozilla Thunderbird ESR (af) | 140.11.0 | [Mozilla Thunderbird ESR (af) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.af-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ar) | 140.11.0 | [Mozilla Thunderbird ESR (ar) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ar-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ast) | 140.11.0 | [Mozilla Thunderbird ESR (ast) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ast-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (be) | 140.11.0 | [Mozilla Thunderbird ESR (be) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.be-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (bg) | 140.11.0 | [Mozilla Thunderbird ESR (bg) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.bg-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (br) | 140.11.0 | [Mozilla Thunderbird ESR (br) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.br-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ca) | 140.11.0 | [Mozilla Thunderbird ESR (ca) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ca-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (cak) | 140.11.0 | [Mozilla Thunderbird ESR (cak) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cak-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (cs) | 140.11.0 | [Mozilla Thunderbird ESR (cs) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cs-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (cy) | 140.11.0 | [Mozilla Thunderbird ESR (cy) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cy-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (da) | 140.11.0 | [Mozilla Thunderbird ESR (da) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.da-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (de) | 140.11.0 | [Mozilla Thunderbird ESR (de) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.de-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (dsb) | 140.11.0 | [Mozilla Thunderbird ESR (dsb) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.dsb-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (el) | 140.11.0 | [Mozilla Thunderbird ESR (el) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.el-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (en-CA) | 140.11.0 | [Mozilla Thunderbird ESR (en-CA) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-ca-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (en-GB) | 140.11.0 | [Mozilla Thunderbird ESR (en-GB) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-gb-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (en-US) | 140.11.0 | [Mozilla Thunderbird ESR (en-US) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (es-AR) | 140.11.0 | [Mozilla Thunderbird ESR (es-AR) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-ar-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (es-ES) | 140.11.0 | [Mozilla Thunderbird ESR (es-ES) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-es-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (es-MX) | 140.11.0 | [Mozilla Thunderbird ESR (es-MX) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-mx-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (et) | 140.11.0 | [Mozilla Thunderbird ESR (et) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.et-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (eu) | 140.11.0 | [Mozilla Thunderbird ESR (eu) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.eu-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (fi) | 140.11.0 | [Mozilla Thunderbird ESR (fi) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fi-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (fr) | 140.11.0 | [Mozilla Thunderbird ESR (fr) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fr-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (fy-NL) | 140.11.0 | [Mozilla Thunderbird ESR (fy-NL) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fy-nl-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ga-IE) | 140.11.0 | [Mozilla Thunderbird ESR (ga-IE) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ga-ie-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (gd) | 140.11.0 | [Mozilla Thunderbird ESR (gd) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gd-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (gl) | 140.11.0 | [Mozilla Thunderbird ESR (gl) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gl-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (he) | 140.11.0 | [Mozilla Thunderbird ESR (he) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.he-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (hr) | 140.11.0 | [Mozilla Thunderbird ESR (hr) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hr-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (hsb) | 140.11.0 | [Mozilla Thunderbird ESR (hsb) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hsb-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (hu) | 140.11.0 | [Mozilla Thunderbird ESR (hu) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hu-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (hy-AM) | 140.11.0 | [Mozilla Thunderbird ESR (hy-AM) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hy-am-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (id) | 140.11.0 | [Mozilla Thunderbird ESR (id) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.id-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (is) | 140.11.0 | [Mozilla Thunderbird ESR (is) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.is-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (it) | 140.11.0 | [Mozilla Thunderbird ESR (it) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.it-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ja) | 140.11.0 | [Mozilla Thunderbird ESR (ja) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ja-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ka) | 140.11.0 | [Mozilla Thunderbird ESR (ka) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ka-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (kab) | 140.11.0 | [Mozilla Thunderbird ESR (kab) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kab-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (kk) | 140.11.0 | [Mozilla Thunderbird ESR (kk) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kk-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ko) | 140.11.0 | [Mozilla Thunderbird ESR (ko) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ko-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (lt) | 140.11.0 | [Mozilla Thunderbird ESR (lt) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lt-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (lv) | 140.11.0 | [Mozilla Thunderbird ESR (lv) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lv-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ms) | 140.11.0 | [Mozilla Thunderbird ESR (ms) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ms-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (nb-NO) | 140.11.0 | [Mozilla Thunderbird ESR (nb-NO) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nb-no-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (nl) | 140.11.0 | [Mozilla Thunderbird ESR (nl) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nl-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (nn-NO) | 140.11.0 | [Mozilla Thunderbird ESR (nn-NO) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nn-no-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (pa-IN) | 140.11.0 | [Mozilla Thunderbird ESR (pa-IN) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pa-in-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (pl) | 140.11.0 | [Mozilla Thunderbird ESR (pl) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pl-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (pt-BR) | 140.11.0 | [Mozilla Thunderbird ESR (pt-BR) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-br-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (pt-PT) | 140.11.0 | [Mozilla Thunderbird ESR (pt-PT) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-pt-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (rm) | 140.11.0 | [Mozilla Thunderbird ESR (rm) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.rm-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ro) | 140.11.0 | [Mozilla Thunderbird ESR (ro) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ro-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (ru) | 140.11.0 | [Mozilla Thunderbird ESR (ru) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ru-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (sk) | 140.11.0 | [Mozilla Thunderbird ESR (sk) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sk-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (sl) | 140.11.0 | [Mozilla Thunderbird ESR (sl) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sl-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (sq) | 140.11.0 | [Mozilla Thunderbird ESR (sq) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sq-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (sr) | 140.11.0 | [Mozilla Thunderbird ESR (sr) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sr-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (sv-SE) | 140.11.0 | [Mozilla Thunderbird ESR (sv-SE) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sv-se-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (th) | 140.11.0 | [Mozilla Thunderbird ESR (th) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.th-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (tr) | 140.11.0 | [Mozilla Thunderbird ESR (tr) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.tr-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (uk) | 140.11.0 | [Mozilla Thunderbird ESR (uk) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uk-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (uz) | 140.11.0 | [Mozilla Thunderbird ESR (uz) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uz-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (vi) | 140.11.0 | [Mozilla Thunderbird ESR (vi) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.vi-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (zh-CN) | 140.11.0 | [Mozilla Thunderbird ESR (zh-CN) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-cn-140.11.0.md) | May 19, 2026 | | Windows apps | Mozilla Thunderbird ESR (zh-TW) | 140.11.0 | [Mozilla Thunderbird ESR (zh-TW) 140.11.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-tw-140.11.0.md) | May 19, 2026 | | macOS | Mozilla Firefox | 151.0.2 | [Mozilla Firefox 151.0.2](https://patchblox.com/security/data/fix/macos/org.mozilla.firefox-151.0.2.md) | May 25, 2026 | | Linux | MozillaThunderbird opensuse-leap 16.0 | 140.12.0-bp160.1.1 | [OPENSUSE-SU-2026:21168-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21168-1.md) | Jun 29, 2026 | | Linux | firefox RHEL 10 | 140.11.0-1.el10_0 | [RHSA-2026:27715](https://patchblox.com/security/data/fix/linux/rhsa-2026-27715.md) | May 19, 2026 | | Linux | firefox RHEL 8 | 0:140.11.0-1.el8_10 | [RHSA-2026:21382](https://patchblox.com/security/data/fix/linux/rhsa-2026-21382.md) | May 27, 2026 | | Linux | firefox RHEL 9 | 0:140.11.0-1.el9_8 | [RHSA-2026:21378](https://patchblox.com/security/data/fix/linux/rhsa-2026-21378.md) | Jun 24, 2026 | | Linux | firefox almalinux 10 | 140.11.0-1.el10_2 | [ALSA-2026:21380](https://patchblox.com/security/data/fix/linux/alsa-2026-21380.md) | May 27, 2026 | | Linux | firefox almalinux 8 | 140.11.0-1.el8_10.alma.1 | [ALSA-2026:21382](https://patchblox.com/security/data/fix/linux/alsa-2026-21382.md) | May 27, 2026 | | Linux | firefox almalinux 9 | 140.11.0-1.el9_8.alma.1 | [ALSA-2026:21378](https://patchblox.com/security/data/fix/linux/alsa-2026-21378.md) | May 27, 2026 | | Linux | firefox amzn 2023 | 140.11.0-1.amzn2023.0.1 | [ALAS2023-2026-1793](https://patchblox.com/security/data/fix/linux/alas2023-2026-1793.md) | Jun 8, 2026 | | Linux | firefox ol 10 | 0:140.12.0-1.0.1.el10_2 | [ELSA-2026-21380](https://patchblox.com/security/data/fix/linux/elsa-2026-21380.md) | Jul 20, 2026 | | Linux | firefox ol 8 | 0:140.11.0-1.0.1.el8_10 | [ELSA-2026-21382](https://patchblox.com/security/data/fix/linux/elsa-2026-21382.md) | May 28, 2026 | | Linux | firefox ol 9 | 0:140.12.0-1.0.1.el9_8 | [ELSA-2026-21378](https://patchblox.com/security/data/fix/linux/elsa-2026-21378.md) | Jun 29, 2026 | | Linux | firefox rocky 10 | 0:140.11.0-1.el10_2 | [RLSA-2026:21380](https://patchblox.com/security/data/fix/linux/rlsa-2026-21380.md) | Jun 4, 2026 | | Linux | firefox rocky 8 | 0:140.11.0-1.el8_10 | [RLSA-2026:21382](https://patchblox.com/security/data/fix/linux/rlsa-2026-21382.md) | May 29, 2026 | | Linux | firefox rocky 9 | 0:140.11.0-1.el9_8 | [RLSA-2026:21378](https://patchblox.com/security/data/fix/linux/rlsa-2026-21378.md) | May 30, 2026 | | Linux | firefox-debuginfo amzn 2023 | 140.11.0-1.amzn2023.0.1 | [ALAS2023-2026-1793](https://patchblox.com/security/data/fix/linux/alas2023-2026-1793.md) | Jun 8, 2026 | | Linux | firefox-debugsource amzn 2023 | 140.11.0-1.amzn2023.0.1 | [ALAS2023-2026-1793](https://patchblox.com/security/data/fix/linux/alas2023-2026-1793.md) | Jun 8, 2026 | | Linux | firefox-esr Debian 12.15 (bookworm) | 140.11.0esr-1~deb12u1 | [DEBIAN-CVE-2026-8946](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8946.md) | May 27, 2026 | | Linux | firefox-esr Debian 13.5 (trixie) | 140.11.0esr-1~deb13u1 | [DEBIAN-CVE-2026-8946](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8946.md) | May 27, 2026 | | Linux | firefox-esr Debian 14 | 140.11.0esr-1 | [DEBIAN-CVE-2026-8946](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8946.md) | May 27, 2026 | | Linux | firefox-x11 RHEL 9 | 0:140.11.0-1.el9_8 | [RHSA-2026:21378](https://patchblox.com/security/data/fix/linux/rhsa-2026-21378.md) | Jun 24, 2026 | | Linux | firefox-x11 almalinux 9 | 140.11.0-1.el9_8.alma.1 | [ALSA-2026:21378](https://patchblox.com/security/data/fix/linux/alsa-2026-21378.md) | May 27, 2026 | | Linux | firefox-x11 ol 9 | 0:140.12.0-1.0.1.el9_8 | [ELSA-2026-21378](https://patchblox.com/security/data/fix/linux/elsa-2026-21378.md) | Jun 29, 2026 | | Linux | thunderbird Debian 12.15 (bookworm) | 1:140.11.0esr-1~deb12u1 | [DEBIAN-CVE-2026-8946](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8946.md) | May 27, 2026 | | Linux | thunderbird Debian 13.5 (trixie) | 1:140.11.0esr-1~deb13u1 | [DEBIAN-CVE-2026-8946](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8946.md) | May 27, 2026 | | Linux | thunderbird Debian 14 | 1:140.11.0esr-1 | [DEBIAN-CVE-2026-8946](https://patchblox.com/security/data/fix/linux/debian-cve-2026-8946.md) | May 27, 2026 | | Linux | thunderbird RHEL 10 | 140.11.0-1.el10_0 | [RHSA-2026:26539](https://patchblox.com/security/data/fix/linux/rhsa-2026-26539.md) | May 19, 2026 | | Linux | thunderbird RHEL 8 | 0:140.11.0-1.el8_10 | [RHSA-2026:22643](https://patchblox.com/security/data/fix/linux/rhsa-2026-22643.md) | Jun 24, 2026 | | Linux | thunderbird RHEL 9 | 0:140.11.0-1.el9_8 | [RHSA-2026:21381](https://patchblox.com/security/data/fix/linux/rhsa-2026-21381.md) | May 27, 2026 | | Linux | thunderbird almalinux 10 | 140.11.0-1.el10_2.alma.1 | [ALSA-2026:22325](https://patchblox.com/security/data/fix/linux/alsa-2026-22325.md) | Jun 1, 2026 | | Linux | thunderbird almalinux 8 | 140.11.0-1.el8_10.alma.1 | [ALSA-2026:22643](https://patchblox.com/security/data/fix/linux/alsa-2026-22643.md) | Jun 2, 2026 | | Linux | thunderbird almalinux 9 | 140.11.0-1.el9_8.alma.1 | [ALSA-2026:21381](https://patchblox.com/security/data/fix/linux/alsa-2026-21381.md) | May 27, 2026 | | Linux | thunderbird ol 10 | 0:140.12.0-1.0.1.el10_2 | [ELSA-2026-22325](https://patchblox.com/security/data/fix/linux/elsa-2026-22325.md) | Jul 17, 2026 | | Linux | thunderbird ol 8 | 0:140.11.0-1.0.1.el8_10 | [ELSA-2026-22643](https://patchblox.com/security/data/fix/linux/elsa-2026-22643.md) | Jun 3, 2026 | | Linux | thunderbird ol 9 | 0:140.11.0-1.0.1.el9_8 | [ELSA-2026-21381](https://patchblox.com/security/data/fix/linux/elsa-2026-21381.md) | Jun 23, 2026 | | Linux | thunderbird rocky 10 | 0:140.11.0-1.el10_2 | [RLSA-2026:22325](https://patchblox.com/security/data/fix/linux/rlsa-2026-22325.md) | Jun 5, 2026 | | Linux | thunderbird rocky 8 | 0:140.11.0-1.el8_10 | [RLSA-2026:22643](https://patchblox.com/security/data/fix/linux/rlsa-2026-22643.md) | Jun 6, 2026 | | Linux | thunderbird rocky 9 | 0:140.11.0-1.el9_8 | [RLSA-2026:21381](https://patchblox.com/security/data/fix/linux/rlsa-2026-21381.md) | May 30, 2026 | --- Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo 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.