# CVE-2024-5695: Mozilla Firefox ESR and 4 others: Out-of-bounds Write

CVE-2024-5695 is fixed in 106 products on 2 platforms, first by Firefox Developer Edition (en-US) 127.0, released May 14, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-5695
- Priority: High
- CVSS: 9.8 (Medium)
- EPSS: 0.0058
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 11, 2024
- Weakness: CWE-787: Out-of-bounds Write
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-5695

## Description

If an out-of-memory condition occurs at a specific point using allocations in the probabilistic heap checker, an assertion could have been triggered, and in rarer situations, memory corruption could have occurred. This vulnerability affects Firefox < 127.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Firefox Developer Edition (en-US) | 127.0 | [Firefox Developer Edition (en-US) 127.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-127.0.md) | May 14, 2024 |
| Windows apps | Mozilla Firefox (en-US) | 127.0 | [Mozilla Firefox (en-US) 127.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-127.0.md) | Jun 11, 2024 |
| Windows apps | Mozilla Firefox ESR (ach) | 128.3.0 | [Mozilla Firefox ESR (ach) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ach-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (af) | 128.3.0 | [Mozilla Firefox ESR (af) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.af-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (an) | 128.3.0 | [Mozilla Firefox ESR (an) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.an-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ar) | 128.3.0 | [Mozilla Firefox ESR (ar) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ar-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ast) | 128.3.0 | [Mozilla Firefox ESR (ast) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ast-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (az) | 128.3.0 | [Mozilla Firefox ESR (az) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.az-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (be) | 128.3.0 | [Mozilla Firefox ESR (be) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.be-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (bg) | 128.3.0 | [Mozilla Firefox ESR (bg) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bg-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (bn) | 128.3.0 | [Mozilla Firefox ESR (bn) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bn-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (br) | 128.3.0 | [Mozilla Firefox ESR (br) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.br-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (bs) | 128.3.0 | [Mozilla Firefox ESR (bs) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bs-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ca) | 128.3.0 | [Mozilla Firefox ESR (ca) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ca-valencia) | 128.3.0 | [Mozilla Firefox ESR (ca-valencia) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-valencia-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (cak) | 128.3.0 | [Mozilla Firefox ESR (cak) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cak-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (cs) | 128.3.0 | [Mozilla Firefox ESR (cs) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cs-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (cy) | 128.3.0 | [Mozilla Firefox ESR (cy) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cy-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (da) | 128.3.0 | [Mozilla Firefox ESR (da) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.da-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (de) | 128.3.0 | [Mozilla Firefox ESR (de) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.de-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (dsb) | 128.3.0 | [Mozilla Firefox ESR (dsb) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.dsb-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (el) | 128.3.0 | [Mozilla Firefox ESR (el) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.el-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (en-CA) | 128.3.0 | [Mozilla Firefox ESR (en-CA) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-ca-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (en-GB) | 128.3.0 | [Mozilla Firefox ESR (en-GB) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-gb-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (en-US) | 128.3.0 | [Mozilla Firefox ESR (en-US) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (eo) | 128.3.0 | [Mozilla Firefox ESR (eo) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eo-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (es-AR) | 128.3.0 | [Mozilla Firefox ESR (es-AR) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-ar-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (es-CL) | 128.3.0 | [Mozilla Firefox ESR (es-CL) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-cl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (es-ES) | 128.3.0 | [Mozilla Firefox ESR (es-ES) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-es-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (es-MX) | 128.3.0 | [Mozilla Firefox ESR (es-MX) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-mx-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (et) | 128.3.0 | [Mozilla Firefox ESR (et) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.et-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (eu) | 128.3.0 | [Mozilla Firefox ESR (eu) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eu-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (fa) | 128.3.0 | [Mozilla Firefox ESR (fa) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fa-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ff) | 128.3.0 | [Mozilla Firefox ESR (ff) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ff-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (fi) | 128.3.0 | [Mozilla Firefox ESR (fi) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fi-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (fr) | 128.3.0 | [Mozilla Firefox ESR (fr) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fr-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (fur) | 128.3.0 | [Mozilla Firefox ESR (fur) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fur-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (fy-NL) | 128.3.0 | [Mozilla Firefox ESR (fy-NL) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fy-nl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ga-IE) | 128.3.0 | [Mozilla Firefox ESR (ga-IE) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ga-ie-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (gd) | 128.3.0 | [Mozilla Firefox ESR (gd) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gd-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (gl) | 128.3.0 | [Mozilla Firefox ESR (gl) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (gn) | 128.3.0 | [Mozilla Firefox ESR (gn) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gn-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (gu-IN) | 128.3.0 | [Mozilla Firefox ESR (gu-IN) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gu-in-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (he) | 128.3.0 | [Mozilla Firefox ESR (he) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.he-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (hi-IN) | 128.3.0 | [Mozilla Firefox ESR (hi-IN) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hi-in-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (hr) | 128.3.0 | [Mozilla Firefox ESR (hr) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hr-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (hsb) | 128.3.0 | [Mozilla Firefox ESR (hsb) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hsb-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (hu) | 128.3.0 | [Mozilla Firefox ESR (hu) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hu-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (hy-AM) | 128.3.0 | [Mozilla Firefox ESR (hy-AM) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hy-am-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ia) | 128.3.0 | [Mozilla Firefox ESR (ia) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ia-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (id) | 128.3.0 | [Mozilla Firefox ESR (id) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.id-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (is) | 128.3.0 | [Mozilla Firefox ESR (is) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.is-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (it) | 128.3.0 | [Mozilla Firefox ESR (it) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.it-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ja) | 128.3.0 | [Mozilla Firefox ESR (ja) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ja-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ka) | 128.3.0 | [Mozilla Firefox ESR (ka) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ka-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (kab) | 128.3.0 | [Mozilla Firefox ESR (kab) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kab-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (kk) | 128.3.0 | [Mozilla Firefox ESR (kk) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kk-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (km) | 128.3.0 | [Mozilla Firefox ESR (km) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.km-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (kn) | 128.3.0 | [Mozilla Firefox ESR (kn) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kn-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ko) | 128.3.0 | [Mozilla Firefox ESR (ko) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ko-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (lij) | 128.3.0 | [Mozilla Firefox ESR (lij) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lij-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (lt) | 128.3.0 | [Mozilla Firefox ESR (lt) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lt-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (lv) | 128.3.0 | [Mozilla Firefox ESR (lv) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lv-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (mk) | 128.3.0 | [Mozilla Firefox ESR (mk) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mk-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (mr) | 128.3.0 | [Mozilla Firefox ESR (mr) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mr-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ms) | 128.3.0 | [Mozilla Firefox ESR (ms) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ms-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (my) | 128.3.0 | [Mozilla Firefox ESR (my) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.my-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (nb-NO) | 128.3.0 | [Mozilla Firefox ESR (nb-NO) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nb-no-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ne-NP) | 128.3.0 | [Mozilla Firefox ESR (ne-NP) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ne-np-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (nl) | 128.3.0 | [Mozilla Firefox ESR (nl) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (nn-NO) | 128.3.0 | [Mozilla Firefox ESR (nn-NO) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nn-no-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (oc) | 128.3.0 | [Mozilla Firefox ESR (oc) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.oc-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (pa-IN) | 128.3.0 | [Mozilla Firefox ESR (pa-IN) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pa-in-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (pl) | 128.3.0 | [Mozilla Firefox ESR (pl) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (pt-BR) | 128.3.0 | [Mozilla Firefox ESR (pt-BR) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-br-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (pt-PT) | 128.3.0 | [Mozilla Firefox ESR (pt-PT) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-pt-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (rm) | 128.3.0 | [Mozilla Firefox ESR (rm) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.rm-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ro) | 128.3.0 | [Mozilla Firefox ESR (ro) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ro-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ru) | 128.3.0 | [Mozilla Firefox ESR (ru) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ru-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (sc) | 128.3.0 | [Mozilla Firefox ESR (sc) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sc-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (sco) | 128.3.0 | [Mozilla Firefox ESR (sco) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sco-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (si) | 128.3.0 | [Mozilla Firefox ESR (si) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.si-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (sk) | 128.3.0 | [Mozilla Firefox ESR (sk) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sk-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (sl) | 128.3.0 | [Mozilla Firefox ESR (sl) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (son) | 128.3.0 | [Mozilla Firefox ESR (son) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.son-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (sq) | 128.3.0 | [Mozilla Firefox ESR (sq) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sq-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (sr) | 128.3.0 | [Mozilla Firefox ESR (sr) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sr-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (sv-SE) | 128.3.0 | [Mozilla Firefox ESR (sv-SE) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sv-se-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (szl) | 128.3.0 | [Mozilla Firefox ESR (szl) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.szl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ta) | 128.3.0 | [Mozilla Firefox ESR (ta) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ta-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (te) | 128.3.0 | [Mozilla Firefox ESR (te) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.te-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (tg) | 128.3.0 | [Mozilla Firefox ESR (tg) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tg-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (th) | 128.3.0 | [Mozilla Firefox ESR (th) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.th-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (tl) | 128.3.0 | [Mozilla Firefox ESR (tl) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tl-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (tr) | 128.3.0 | [Mozilla Firefox ESR (tr) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tr-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (trs) | 128.3.0 | [Mozilla Firefox ESR (trs) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.trs-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (uk) | 128.3.0 | [Mozilla Firefox ESR (uk) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uk-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (ur) | 128.3.0 | [Mozilla Firefox ESR (ur) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ur-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (uz) | 128.3.0 | [Mozilla Firefox ESR (uz) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uz-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (vi) | 128.3.0 | [Mozilla Firefox ESR (vi) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.vi-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (xh) | 128.3.0 | [Mozilla Firefox ESR (xh) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.xh-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (zh-CN) | 128.3.0 | [Mozilla Firefox ESR (zh-CN) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-cn-128.3.0.md) | Oct 1, 2024 |
| Windows apps | Mozilla Firefox ESR (zh-TW) | 128.3.0 | [Mozilla Firefox ESR (zh-TW) 128.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-tw-128.3.0.md) | Oct 1, 2024 |
| Linux | firefox Ubuntu 20.04 LTS (focal) | 127.0.2+build1-0ubuntu0.20.04.1 | [firefox 127.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-127.0.2-build1-0ubuntu0.20.04.1.md) | Jun 11, 2024 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 127.0.2+build1-0ubuntu0.20.04.1 | [firefox-geckodriver 127.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-127.0.2-build1-0ubuntu0.20.04.1.md) | Jun 11, 2024 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 127.0.2+build1-0ubuntu0.20.04.1 | [firefox-mozsymbols 127.0.2+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-127.0.2-build1-0ubuntu0.20.04.1.md) | Jun 11, 2024 |

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Data as of 2026-11-08T19:12:23Z 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.
