# CVE-2026-74989: Internally found bugs fixed in Thunderbird 154

CVE-2026-74989 is fixed in 171 products on 3 platforms, first by Mozilla Firefox 154.0, released August 12, 2026. 200 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-74989
- Priority: Urgent
- CVSS: 9.8
- EPSS: 0.0057
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 18, 2026
- Weakness: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-74989

## Description

Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154 and Thunderbird 154.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Firefox Developer Edition (en-US) | 156.0 | [Firefox Developer Edition (en-US) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-156.0.md) | Sep 2, 2026 |
| Windows apps | Mozilla Firefox (ach) | 154.0 | [Mozilla Firefox (ach) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ach-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (af) | 154.0 | [Mozilla Firefox (af) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.af-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (an) | 154.0 | [Mozilla Firefox (an) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.an-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ar) | 154.0 | [Mozilla Firefox (ar) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ar-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ast) | 154.0 | [Mozilla Firefox (ast) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ast-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (az) | 154.0 | [Mozilla Firefox (az) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.az-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (be) | 154.0 | [Mozilla Firefox (be) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.be-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (bg) | 154.0 | [Mozilla Firefox (bg) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bg-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (bn) | 154.0 | [Mozilla Firefox (bn) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bn-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (br) | 154.0 | [Mozilla Firefox (br) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.br-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (bs) | 154.0 | [Mozilla Firefox (bs) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bs-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ca) | 154.0 | [Mozilla Firefox (ca) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ca-valencia) | 154.0 | [Mozilla Firefox (ca-valencia) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-valencia-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (cak) | 154.0 | [Mozilla Firefox (cak) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cak-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (cs) | 154.0 | [Mozilla Firefox (cs) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cs-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (cy) | 154.0 | [Mozilla Firefox (cy) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cy-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (da) | 154.0 | [Mozilla Firefox (da) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.da-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (de) | 154.0 | [Mozilla Firefox (de) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.de-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (dsb) | 154.0 | [Mozilla Firefox (dsb) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.dsb-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (el) | 154.0 | [Mozilla Firefox (el) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.el-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (en-CA) | 154.0 | [Mozilla Firefox (en-CA) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-ca-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (en-GB) | 154.0 | [Mozilla Firefox (en-GB) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-gb-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (en-US) | 154.0 | [Mozilla Firefox (en-US) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (eo) | 154.0 | [Mozilla Firefox (eo) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eo-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (es-AR) | 154.0 | [Mozilla Firefox (es-AR) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-ar-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (es-CL) | 154.0 | [Mozilla Firefox (es-CL) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-cl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (es-ES) | 154.0 | [Mozilla Firefox (es-ES) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-es-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (es-MX) | 154.0 | [Mozilla Firefox (es-MX) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-mx-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (et) | 154.0 | [Mozilla Firefox (et) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.et-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (eu) | 154.0 | [Mozilla Firefox (eu) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eu-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (fa) | 154.0 | [Mozilla Firefox (fa) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fa-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ff) | 154.0 | [Mozilla Firefox (ff) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ff-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (fi) | 154.0 | [Mozilla Firefox (fi) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fi-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (fr) | 154.0 | [Mozilla Firefox (fr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (fur) | 154.0 | [Mozilla Firefox (fur) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fur-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (fy-NL) | 154.0 | [Mozilla Firefox (fy-NL) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fy-nl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ga-IE) | 154.0 | [Mozilla Firefox (ga-IE) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ga-ie-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (gd) | 154.0 | [Mozilla Firefox (gd) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gd-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (gl) | 154.0 | [Mozilla Firefox (gl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (gn) | 154.0 | [Mozilla Firefox (gn) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gn-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (gu-IN) | 154.0 | [Mozilla Firefox (gu-IN) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gu-in-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (he) | 154.0 | [Mozilla Firefox (he) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.he-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (hi-IN) | 154.0 | [Mozilla Firefox (hi-IN) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hi-in-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (hr) | 154.0 | [Mozilla Firefox (hr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (hsb) | 154.0 | [Mozilla Firefox (hsb) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hsb-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (hu) | 154.0 | [Mozilla Firefox (hu) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hu-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (hy-AM) | 154.0 | [Mozilla Firefox (hy-AM) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hy-am-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ia) | 154.0 | [Mozilla Firefox (ia) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ia-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (id) | 154.0 | [Mozilla Firefox (id) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.id-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (is) | 154.0 | [Mozilla Firefox (is) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.is-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (it) | 154.0 | [Mozilla Firefox (it) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.it-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ja) | 154.0 | [Mozilla Firefox (ja) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ja-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ka) | 154.0 | [Mozilla Firefox (ka) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ka-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (kab) | 154.0 | [Mozilla Firefox (kab) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kab-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (kk) | 154.0 | [Mozilla Firefox (kk) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kk-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (km) | 154.0 | [Mozilla Firefox (km) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.km-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (kn) | 154.0 | [Mozilla Firefox (kn) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kn-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ko) | 154.0 | [Mozilla Firefox (ko) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ko-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (lij) | 154.0 | [Mozilla Firefox (lij) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lij-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (lt) | 154.0 | [Mozilla Firefox (lt) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lt-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (lv) | 154.0 | [Mozilla Firefox (lv) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lv-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (mk) | 154.0 | [Mozilla Firefox (mk) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mk-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (mr) | 154.0 | [Mozilla Firefox (mr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ms) | 154.0 | [Mozilla Firefox (ms) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ms-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (my) | 154.0 | [Mozilla Firefox (my) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.my-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (nb-NO) | 154.0 | [Mozilla Firefox (nb-NO) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nb-no-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ne-NP) | 154.0 | [Mozilla Firefox (ne-NP) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ne-np-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (nl) | 154.0 | [Mozilla Firefox (nl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (nn-NO) | 154.0 | [Mozilla Firefox (nn-NO) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nn-no-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (oc) | 154.0 | [Mozilla Firefox (oc) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.oc-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (pa-IN) | 154.0 | [Mozilla Firefox (pa-IN) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pa-in-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (pl) | 154.0 | [Mozilla Firefox (pl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (pt-BR) | 154.0 | [Mozilla Firefox (pt-BR) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-br-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (pt-PT) | 154.0 | [Mozilla Firefox (pt-PT) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-pt-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (rm) | 154.0 | [Mozilla Firefox (rm) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.rm-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ro) | 154.0 | [Mozilla Firefox (ro) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ro-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ru) | 154.0 | [Mozilla Firefox (ru) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ru-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (sc) | 154.0 | [Mozilla Firefox (sc) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sc-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (sco) | 154.0 | [Mozilla Firefox (sco) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sco-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (si) | 154.0 | [Mozilla Firefox (si) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.si-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (sk) | 154.0 | [Mozilla Firefox (sk) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sk-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (sl) | 154.0 | [Mozilla Firefox (sl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (son) | 154.0 | [Mozilla Firefox (son) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.son-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (sq) | 154.0 | [Mozilla Firefox (sq) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sq-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (sr) | 154.0 | [Mozilla Firefox (sr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (sv-SE) | 154.0 | [Mozilla Firefox (sv-SE) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sv-se-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (szl) | 154.0 | [Mozilla Firefox (szl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.szl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ta) | 154.0 | [Mozilla Firefox (ta) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ta-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (te) | 154.0 | [Mozilla Firefox (te) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.te-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (tg) | 154.0 | [Mozilla Firefox (tg) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tg-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (th) | 154.0 | [Mozilla Firefox (th) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.th-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (tl) | 154.0 | [Mozilla Firefox (tl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (tr) | 154.0 | [Mozilla Firefox (tr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (trs) | 154.0 | [Mozilla Firefox (trs) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.trs-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (uk) | 154.0 | [Mozilla Firefox (uk) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uk-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (ur) | 154.0 | [Mozilla Firefox (ur) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ur-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (uz) | 154.0 | [Mozilla Firefox (uz) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uz-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (vi) | 154.0 | [Mozilla Firefox (vi) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.vi-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (xh) | 154.0 | [Mozilla Firefox (xh) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.xh-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (zh-CN) | 154.0 | [Mozilla Firefox (zh-CN) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-cn-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Firefox (zh-TW) | 154.0 | [Mozilla Firefox (zh-TW) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-tw-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (af) | 154.0 | [Mozilla Thunderbird (af) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.af-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ar) | 154.0 | [Mozilla Thunderbird (ar) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ar-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ast) | 154.0 | [Mozilla Thunderbird (ast) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ast-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (be) | 154.0 | [Mozilla Thunderbird (be) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.be-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (bg) | 154.0 | [Mozilla Thunderbird (bg) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.bg-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (br) | 154.0 | [Mozilla Thunderbird (br) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.br-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ca) | 154.0 | [Mozilla Thunderbird (ca) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ca-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (cak) | 154.0 | [Mozilla Thunderbird (cak) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cak-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (cs) | 154.0 | [Mozilla Thunderbird (cs) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cs-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (cy) | 154.0 | [Mozilla Thunderbird (cy) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cy-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (da) | 154.0 | [Mozilla Thunderbird (da) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.da-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (de) | 154.0 | [Mozilla Thunderbird (de) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.de-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (dsb) | 154.0 | [Mozilla Thunderbird (dsb) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.dsb-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (el) | 154.0 | [Mozilla Thunderbird (el) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.el-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (en-CA) | 154.0 | [Mozilla Thunderbird (en-CA) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-ca-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (en-GB) | 154.0 | [Mozilla Thunderbird (en-GB) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-gb-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (en-US) | 154.0 | [Mozilla Thunderbird (en-US) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (es-AR) | 154.0 | [Mozilla Thunderbird (es-AR) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-ar-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (es-ES) | 154.0 | [Mozilla Thunderbird (es-ES) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-es-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (es-MX) | 154.0 | [Mozilla Thunderbird (es-MX) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-mx-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (et) | 154.0 | [Mozilla Thunderbird (et) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.et-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (eu) | 154.0 | [Mozilla Thunderbird (eu) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.eu-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (fi) | 154.0 | [Mozilla Thunderbird (fi) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fi-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (fr) | 154.0 | [Mozilla Thunderbird (fr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (fy-NL) | 154.0 | [Mozilla Thunderbird (fy-NL) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fy-nl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ga-IE) | 154.0 | [Mozilla Thunderbird (ga-IE) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ga-ie-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (gd) | 154.0 | [Mozilla Thunderbird (gd) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gd-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (gl) | 154.0 | [Mozilla Thunderbird (gl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (he) | 154.0 | [Mozilla Thunderbird (he) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.he-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (hr) | 154.0 | [Mozilla Thunderbird (hr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (hsb) | 154.0 | [Mozilla Thunderbird (hsb) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hsb-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (hu) | 154.0 | [Mozilla Thunderbird (hu) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hu-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (hy-AM) | 154.0 | [Mozilla Thunderbird (hy-AM) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hy-am-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (id) | 154.0 | [Mozilla Thunderbird (id) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.id-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (is) | 154.0 | [Mozilla Thunderbird (is) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.is-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (it) | 154.0 | [Mozilla Thunderbird (it) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.it-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ja) | 154.0 | [Mozilla Thunderbird (ja) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ja-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ka) | 154.0 | [Mozilla Thunderbird (ka) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ka-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (kab) | 154.0 | [Mozilla Thunderbird (kab) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kab-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (kk) | 154.0 | [Mozilla Thunderbird (kk) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kk-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ko) | 154.0 | [Mozilla Thunderbird (ko) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ko-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (lt) | 154.0 | [Mozilla Thunderbird (lt) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lt-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (lv) | 154.0 | [Mozilla Thunderbird (lv) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lv-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ms) | 154.0 | [Mozilla Thunderbird (ms) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ms-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (nb-NO) | 154.0 | [Mozilla Thunderbird (nb-NO) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nb-no-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (nl) | 154.0 | [Mozilla Thunderbird (nl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (nn-NO) | 154.0 | [Mozilla Thunderbird (nn-NO) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nn-no-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (pa-IN) | 154.0 | [Mozilla Thunderbird (pa-IN) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pa-in-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (pl) | 154.0 | [Mozilla Thunderbird (pl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (pt-BR) | 154.0 | [Mozilla Thunderbird (pt-BR) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-br-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (pt-PT) | 154.0 | [Mozilla Thunderbird (pt-PT) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-pt-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (rm) | 154.0 | [Mozilla Thunderbird (rm) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.rm-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ro) | 154.0 | [Mozilla Thunderbird (ro) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ro-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (ru) | 154.0 | [Mozilla Thunderbird (ru) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ru-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (sk) | 154.0 | [Mozilla Thunderbird (sk) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sk-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (sl) | 154.0 | [Mozilla Thunderbird (sl) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sl-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (sq) | 154.0 | [Mozilla Thunderbird (sq) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sq-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (sr) | 154.0 | [Mozilla Thunderbird (sr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (sv-SE) | 154.0 | [Mozilla Thunderbird (sv-SE) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sv-se-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (th) | 154.0 | [Mozilla Thunderbird (th) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.th-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (tr) | 154.0 | [Mozilla Thunderbird (tr) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.tr-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (uk) | 154.0 | [Mozilla Thunderbird (uk) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uk-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (uz) | 154.0 | [Mozilla Thunderbird (uz) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uz-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (vi) | 154.0 | [Mozilla Thunderbird (vi) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.vi-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (zh-CN) | 154.0 | [Mozilla Thunderbird (zh-CN) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-cn-154.0.md) | Aug 18, 2026 |
| Windows apps | Mozilla Thunderbird (zh-TW) | 154.0 | [Mozilla Thunderbird (zh-TW) 154.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-tw-154.0.md) | Aug 18, 2026 |
| macOS | Mozilla Firefox | 154.0 | [Mozilla Firefox 154.0](https://patchblox.com/security/data/fix/macos/org.mozilla.firefox-154.0.md) | Aug 12, 2026 |
| macOS | Mozilla Thunderbird | 154.0 | [Mozilla Thunderbird 154.0](https://patchblox.com/security/data/fix/macos/org.mozilla.thunderbird-154.0.md) | Aug 17, 2026 |
| Linux | MozillaFirefox sles 15.6 | 140.14.0-150200.152.251.1 | [SUSE-SU-2026:3658-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3658-1.md) | Aug 20, 2026 |
| Linux | MozillaFirefox sles 15.7 | 140.14.0-150200.152.251.1 | [SUSE-SU-2026:3658-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3658-1.md) | Aug 20, 2026 |

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Firefox Developer Edition (ach) | no-fix |
| Windows apps | Firefox Developer Edition (af) | no-fix |
| Windows apps | Firefox Developer Edition (an) | no-fix |
| Windows apps | Firefox Developer Edition (ar) | no-fix |
| Windows apps | Firefox Developer Edition (ast) | no-fix |
| Windows apps | Firefox Developer Edition (az) | no-fix |
| Windows apps | Firefox Developer Edition (be) | no-fix |
| Windows apps | Firefox Developer Edition (bg) | no-fix |
| Windows apps | Firefox Developer Edition (bn) | no-fix |
| Windows apps | Firefox Developer Edition (br) | no-fix |
| Windows apps | Firefox Developer Edition (bs) | no-fix |
| Windows apps | Firefox Developer Edition (ca) | no-fix |
| Windows apps | Firefox Developer Edition (ca-valencia) | no-fix |
| Windows apps | Firefox Developer Edition (cak) | no-fix |
| Windows apps | Firefox Developer Edition (cs) | no-fix |
| Windows apps | Firefox Developer Edition (cy) | no-fix |
| Windows apps | Firefox Developer Edition (da) | no-fix |
| Windows apps | Firefox Developer Edition (de) | no-fix |
| Windows apps | Firefox Developer Edition (dsb) | no-fix |
| Windows apps | Firefox Developer Edition (el) | no-fix |
| Windows apps | Firefox Developer Edition (en-CA) | no-fix |
| Windows apps | Firefox Developer Edition (en-GB) | no-fix |
| Windows apps | Firefox Developer Edition (eo) | no-fix |
| Windows apps | Firefox Developer Edition (es-AR) | no-fix |
| Windows apps | Firefox Developer Edition (es-CL) | no-fix |
| Windows apps | Firefox Developer Edition (es-ES) | no-fix |
| Windows apps | Firefox Developer Edition (es-MX) | no-fix |
| Windows apps | Firefox Developer Edition (et) | no-fix |
| Windows apps | Firefox Developer Edition (eu) | no-fix |
| Windows apps | Firefox Developer Edition (fa) | no-fix |
| Windows apps | Firefox Developer Edition (ff) | no-fix |
| Windows apps | Firefox Developer Edition (fi) | no-fix |
| Windows apps | Firefox Developer Edition (fr) | no-fix |
| Windows apps | Firefox Developer Edition (fur) | no-fix |
| Windows apps | Firefox Developer Edition (fy-NL) | no-fix |
| Windows apps | Firefox Developer Edition (ga-IE) | no-fix |
| Windows apps | Firefox Developer Edition (gd) | no-fix |
| Windows apps | Firefox Developer Edition (gl) | no-fix |
| Windows apps | Firefox Developer Edition (gn) | no-fix |
| Windows apps | Firefox Developer Edition (gu-IN) | no-fix |
| Windows apps | Firefox Developer Edition (he) | no-fix |
| Windows apps | Firefox Developer Edition (hi-IN) | no-fix |
| Windows apps | Firefox Developer Edition (hr) | no-fix |
| Windows apps | Firefox Developer Edition (hsb) | no-fix |
| Windows apps | Firefox Developer Edition (hu) | no-fix |
| Windows apps | Firefox Developer Edition (hy-AM) | no-fix |
| Windows apps | Firefox Developer Edition (ia) | no-fix |
| Windows apps | Firefox Developer Edition (id) | no-fix |
| Windows apps | Firefox Developer Edition (is) | no-fix |
| Windows apps | Firefox Developer Edition (it) | no-fix |
| Windows apps | Firefox Developer Edition (ja) | no-fix |
| Windows apps | Firefox Developer Edition (ka) | no-fix |
| Windows apps | Firefox Developer Edition (kab) | no-fix |
| Windows apps | Firefox Developer Edition (kk) | no-fix |
| Windows apps | Firefox Developer Edition (km) | no-fix |
| Windows apps | Firefox Developer Edition (kn) | no-fix |
| Windows apps | Firefox Developer Edition (ko) | no-fix |
| Windows apps | Firefox Developer Edition (lij) | no-fix |
| Windows apps | Firefox Developer Edition (lt) | no-fix |
| Windows apps | Firefox Developer Edition (lv) | no-fix |
| Windows apps | Firefox Developer Edition (mk) | no-fix |
| Windows apps | Firefox Developer Edition (mr) | no-fix |
| Windows apps | Firefox Developer Edition (ms) | no-fix |
| Windows apps | Firefox Developer Edition (my) | no-fix |
| Windows apps | Firefox Developer Edition (nb-NO) | no-fix |
| Windows apps | Firefox Developer Edition (ne-NP) | no-fix |
| Windows apps | Firefox Developer Edition (nl) | no-fix |
| Windows apps | Firefox Developer Edition (nn-NO) | no-fix |
| Windows apps | Firefox Developer Edition (oc) | no-fix |
| Windows apps | Firefox Developer Edition (pa-IN) | no-fix |
| Windows apps | Firefox Developer Edition (pl) | no-fix |
| Windows apps | Firefox Developer Edition (pt-BR) | no-fix |
| Windows apps | Firefox Developer Edition (pt-PT) | no-fix |
| Windows apps | Firefox Developer Edition (rm) | no-fix |
| Windows apps | Firefox Developer Edition (ro) | no-fix |
| Windows apps | Firefox Developer Edition (ru) | no-fix |
| Windows apps | Firefox Developer Edition (sc) | no-fix |
| Windows apps | Firefox Developer Edition (sco) | no-fix |
| Windows apps | Firefox Developer Edition (si) | no-fix |
| Windows apps | Firefox Developer Edition (sk) | no-fix |
| Windows apps | Firefox Developer Edition (sl) | no-fix |
| Windows apps | Firefox Developer Edition (son) | no-fix |
| Windows apps | Firefox Developer Edition (sq) | no-fix |
| Windows apps | Firefox Developer Edition (sr) | no-fix |
| Windows apps | Firefox Developer Edition (sv-SE) | no-fix |
| Windows apps | Firefox Developer Edition (szl) | no-fix |
| Windows apps | Firefox Developer Edition (ta) | no-fix |
| Windows apps | Firefox Developer Edition (te) | no-fix |
| Windows apps | Firefox Developer Edition (tg) | no-fix |
| Windows apps | Firefox Developer Edition (th) | no-fix |
| Windows apps | Firefox Developer Edition (tl) | no-fix |
| Windows apps | Firefox Developer Edition (tr) | no-fix |
| Windows apps | Firefox Developer Edition (trs) | no-fix |
| Windows apps | Firefox Developer Edition (uk) | no-fix |
| Windows apps | Firefox Developer Edition (ur) | no-fix |
| Windows apps | Firefox Developer Edition (uz) | no-fix |
| Windows apps | Firefox Developer Edition (vi) | no-fix |
| Windows apps | Firefox Developer Edition (xh) | no-fix |
| Windows apps | Firefox Developer Edition (zh-CN) | no-fix |
| Windows apps | Firefox Developer Edition (zh-TW) | no-fix |
| Windows apps | Mozilla Firefox ESR (ach) | no-fix |
| Windows apps | Mozilla Firefox ESR (af) | no-fix |
| Windows apps | Mozilla Firefox ESR (an) | no-fix |
| Windows apps | Mozilla Firefox ESR (ar) | no-fix |
| Windows apps | Mozilla Firefox ESR (ast) | no-fix |
| Windows apps | Mozilla Firefox ESR (az) | no-fix |
| Windows apps | Mozilla Firefox ESR (be) | no-fix |
| Windows apps | Mozilla Firefox ESR (bg) | no-fix |
| Windows apps | Mozilla Firefox ESR (bn) | no-fix |
| Windows apps | Mozilla Firefox ESR (br) | no-fix |
| Windows apps | Mozilla Firefox ESR (bs) | no-fix |
| Windows apps | Mozilla Firefox ESR (ca) | no-fix |
| Windows apps | Mozilla Firefox ESR (ca-valencia) | no-fix |
| Windows apps | Mozilla Firefox ESR (cak) | no-fix |
| Windows apps | Mozilla Firefox ESR (cs) | no-fix |
| Windows apps | Mozilla Firefox ESR (cy) | no-fix |
| Windows apps | Mozilla Firefox ESR (da) | no-fix |
| Windows apps | Mozilla Firefox ESR (de) | no-fix |
| Windows apps | Mozilla Firefox ESR (dsb) | no-fix |
| Windows apps | Mozilla Firefox ESR (el) | no-fix |
| Windows apps | Mozilla Firefox ESR (en-CA) | no-fix |
| Windows apps | Mozilla Firefox ESR (en-GB) | no-fix |
| Windows apps | Mozilla Firefox ESR (en-US) | no-fix |
| Windows apps | Mozilla Firefox ESR (eo) | no-fix |
| Windows apps | Mozilla Firefox ESR (es-AR) | no-fix |
| Windows apps | Mozilla Firefox ESR (es-CL) | no-fix |
| Windows apps | Mozilla Firefox ESR (es-ES) | no-fix |
| Windows apps | Mozilla Firefox ESR (es-MX) | no-fix |
| Windows apps | Mozilla Firefox ESR (et) | no-fix |
| Windows apps | Mozilla Firefox ESR (eu) | no-fix |
| Windows apps | Mozilla Firefox ESR (fa) | no-fix |
| Windows apps | Mozilla Firefox ESR (ff) | no-fix |
| Windows apps | Mozilla Firefox ESR (fi) | no-fix |
| Windows apps | Mozilla Firefox ESR (fr) | no-fix |
| Windows apps | Mozilla Firefox ESR (fur) | no-fix |
| Windows apps | Mozilla Firefox ESR (fy-NL) | no-fix |
| Windows apps | Mozilla Firefox ESR (ga-IE) | no-fix |
| Windows apps | Mozilla Firefox ESR (gd) | no-fix |
| Windows apps | Mozilla Firefox ESR (gl) | no-fix |
| Windows apps | Mozilla Firefox ESR (gn) | no-fix |
| Windows apps | Mozilla Firefox ESR (gu-IN) | no-fix |
| Windows apps | Mozilla Firefox ESR (he) | no-fix |
| Windows apps | Mozilla Firefox ESR (hi-IN) | no-fix |
| Windows apps | Mozilla Firefox ESR (hr) | no-fix |
| Windows apps | Mozilla Firefox ESR (hsb) | no-fix |
| Windows apps | Mozilla Firefox ESR (hu) | no-fix |
| Windows apps | Mozilla Firefox ESR (hy-AM) | no-fix |
| Windows apps | Mozilla Firefox ESR (ia) | no-fix |
| Windows apps | Mozilla Firefox ESR (id) | no-fix |
| Windows apps | Mozilla Firefox ESR (is) | no-fix |
| Windows apps | Mozilla Firefox ESR (it) | no-fix |
| Windows apps | Mozilla Firefox ESR (ja) | no-fix |
| Windows apps | Mozilla Firefox ESR (ka) | no-fix |
| Windows apps | Mozilla Firefox ESR (kab) | no-fix |
| Windows apps | Mozilla Firefox ESR (kk) | no-fix |
| Windows apps | Mozilla Firefox ESR (km) | no-fix |
| Windows apps | Mozilla Firefox ESR (kn) | no-fix |
| Windows apps | Mozilla Firefox ESR (ko) | no-fix |
| Windows apps | Mozilla Firefox ESR (lij) | no-fix |
| Windows apps | Mozilla Firefox ESR (lt) | no-fix |
| Windows apps | Mozilla Firefox ESR (lv) | no-fix |
| Windows apps | Mozilla Firefox ESR (mk) | no-fix |
| Windows apps | Mozilla Firefox ESR (mr) | no-fix |
| Windows apps | Mozilla Firefox ESR (ms) | no-fix |
| Windows apps | Mozilla Firefox ESR (my) | no-fix |
| Windows apps | Mozilla Firefox ESR (nb-NO) | no-fix |
| Windows apps | Mozilla Firefox ESR (ne-NP) | no-fix |
| Windows apps | Mozilla Firefox ESR (nl) | no-fix |
| Windows apps | Mozilla Firefox ESR (nn-NO) | no-fix |
| Windows apps | Mozilla Firefox ESR (oc) | no-fix |
| Windows apps | Mozilla Firefox ESR (pa-IN) | no-fix |
| Windows apps | Mozilla Firefox ESR (pl) | no-fix |
| Windows apps | Mozilla Firefox ESR (pt-BR) | no-fix |
| Windows apps | Mozilla Firefox ESR (pt-PT) | no-fix |
| Windows apps | Mozilla Firefox ESR (rm) | no-fix |
| Windows apps | Mozilla Firefox ESR (ro) | no-fix |
| Windows apps | Mozilla Firefox ESR (ru) | no-fix |
| Windows apps | Mozilla Firefox ESR (sat) | no-fix |
| Windows apps | Mozilla Firefox ESR (sc) | no-fix |
| Windows apps | Mozilla Firefox ESR (sco) | no-fix |
| Windows apps | Mozilla Firefox ESR (si) | no-fix |
| Windows apps | Mozilla Firefox ESR (sk) | no-fix |
| Windows apps | Mozilla Firefox ESR (skr) | no-fix |
| Windows apps | Mozilla Firefox ESR (sl) | no-fix |
| Windows apps | Mozilla Firefox ESR (son) | no-fix |
| Windows apps | Mozilla Firefox ESR (sq) | no-fix |
| Windows apps | Mozilla Firefox ESR (sr) | no-fix |
| Windows apps | Mozilla Firefox ESR (sv-SE) | no-fix |
| Windows apps | Mozilla Firefox ESR (szl) | no-fix |
| Windows apps | Mozilla Firefox ESR (ta) | no-fix |
| Windows apps | Mozilla Firefox ESR (te) | no-fix |
| Windows apps | Mozilla Firefox ESR (tg) | no-fix |
| Windows apps | Mozilla Firefox ESR (th) | no-fix |
| Windows apps | Mozilla Firefox ESR (tl) | no-fix |
| Windows apps | Mozilla Firefox ESR (tr) | no-fix |
| Windows apps | Mozilla Firefox ESR (trs) | no-fix |
| Windows apps | Mozilla Firefox ESR (uk) | no-fix |
| Windows apps | Mozilla Firefox ESR (ur) | no-fix |
| Windows apps | Mozilla Firefox ESR (uz) | no-fix |
| Windows apps | Mozilla Firefox ESR (vi) | no-fix |

---

Data as of 2026-11-09T07:25:28Z 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.