# CVE-2024-1557: Mozilla Firefox ESR and 3 others: Out-of-bounds Write

CVE-2024-1557 is fixed in 105 products on 2 platforms, first by firefox 123.0+build3-0ubuntu0.20.04.1, released February 20, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-1557
- Priority: High
- CVSS: 8.1 (Medium)
- EPSS: 0.0056
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 20, 2024
- Weakness: CWE-787: Out-of-bounds Write
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-1557

## Description

Memory safety bugs present in Firefox 122. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 123.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Mozilla Firefox (en-US) | 123.0 | [Mozilla Firefox (en-US) 123.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-123.0.md) | Feb 26, 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) | 123.0+build3-0ubuntu0.20.04.1 | [firefox 123.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-123.0-build3-0ubuntu0.20.04.1.md) | Feb 20, 2024 |
| Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 123.0+build3-0ubuntu0.20.04.1 | [firefox-geckodriver 123.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-123.0-build3-0ubuntu0.20.04.1.md) | Feb 20, 2024 |
| Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 123.0+build3-0ubuntu0.20.04.1 | [firefox-mozsymbols 123.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-123.0-build3-0ubuntu0.20.04.1.md) | Feb 20, 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.
