# CVE-2023-6873: Mozilla Firefox ESR and 3 others: Memory safety bugs present in Firefox 120. CVE-2023-6873 is fixed in 106 products on 2 platforms, first by DEBIAN-CVE-2023-6873, released December 19, 2023. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-6873 - Priority: High - CVSS: 8.8 (high) - EPSS: 0.0085 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Dec 19, 2023 - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-6873 ## Description Memory safety bugs present in Firefox 120. 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 < 121. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Mozilla Firefox (en-US) | 121.0 | [Mozilla Firefox (en-US) 121.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-121.0.md) | Dec 20, 2023 | | 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) | 121.0+build1-0ubuntu0.20.04.1 | [firefox 121.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-121.0-build1-0ubuntu0.20.04.1.md) | Dec 19, 2023 | | Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 121.0+build1-0ubuntu0.20.04.1 | [firefox-geckodriver 121.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-121.0-build1-0ubuntu0.20.04.1.md) | Dec 19, 2023 | | Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 121.0+build1-0ubuntu0.20.04.1 | [firefox-mozsymbols 121.0+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-121.0-build1-0ubuntu0.20.04.1.md) | Dec 19, 2023 | | Linux | thunderbird Debian 12.15 (bookworm) | 1:115.6.0-1~deb12u1 | [DEBIAN-CVE-2023-6873](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6873.md) | Dec 19, 2023 | --- 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.