# CVE-2023-25744: Mozilla Firefox and 2 others: Mmemory safety bugs present in Firefox 109 and Firefox ESR 102.7. CVE-2023-25744 is fixed in 8 products on 2 platforms, first by firefox 110.0+build3-0ubuntu0.18.04.1, released February 14, 2023. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-25744 - Priority: High - CVSS: 8.8 (Important) - EPSS: 0.0067 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Feb 14, 2023 - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-25744 ## Description Mmemory safety bugs present in Firefox 109 and Firefox ESR 102.7. 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 < 110 and Firefox ESR < 102.8. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Mozilla Firefox (en-US) | 110.0 | [Mozilla Firefox (en-US) 110.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-110.0.md) | Feb 16, 2023 | | Windows apps | Mozilla Firefox ESR (en-US) | 115.4.0 | [Mozilla Firefox ESR (en-US) 115.4.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-115.4.0.md) | Oct 17, 2023 | | Linux | firefox RHEL 8 | 0:102.8.0-2.el8_7 | [RHSA-2023:0808](https://patchblox.com/security/data/fix/linux/rhsa-2023-0808.md) | Feb 20, 2023 | | Linux | firefox RHEL 9 | 0:102.8.0-2.el9_1 | [RHSA-2023:0810](https://patchblox.com/security/data/fix/linux/rhsa-2023-0810.md) | Feb 20, 2023 | | Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 110.0+build3-0ubuntu0.18.04.1 | [firefox 110.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-110.0-build3-0ubuntu0.18.04.1.md) | Feb 14, 2023 | | Linux | firefox Ubuntu 20.04 LTS (focal) | 110.0+build3-0ubuntu0.20.04.1 | [firefox 110.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-110.0-build3-0ubuntu0.20.04.1.md) | Feb 14, 2023 | | Linux | firefox almalinux 8 | 102.8.0-2.el8_7.alma | [ALSA-2023:0808](https://patchblox.com/security/data/fix/linux/alsa-2023-0808.md) | Feb 20, 2023 | | Linux | firefox almalinux 9 | 102.8.0-2.el9_1.alma | [ALSA-2023:0810](https://patchblox.com/security/data/fix/linux/alsa-2023-0810.md) | Feb 20, 2023 | | Linux | firefox ol 8 | 0:102.8.0-2.0.1.el8_7 | [ELSA-2023-0808](https://patchblox.com/security/data/fix/linux/elsa-2023-0808.md) | Feb 20, 2023 | | Linux | firefox ol 9 | 0:102.8.0-2.0.1.el9_1 | [ELSA-2023-0810](https://patchblox.com/security/data/fix/linux/elsa-2023-0810.md) | Feb 20, 2023 | | Linux | firefox rocky 8 | 0:102.8.0-2.el8_7 | [RLSA-2023:0808](https://patchblox.com/security/data/fix/linux/rlsa-2023-0808.md) | Feb 22, 2023 | | Linux | firefox rocky 9 | 0:102.8.0-2.el9_1 | [RLSA-2023:0810](https://patchblox.com/security/data/fix/linux/rlsa-2023-0810.md) | Feb 22, 2023 | | Linux | firefox-esr Debian 12.15 (bookworm) | 102.8.0esr-1 | [DEBIAN-CVE-2023-25744](https://patchblox.com/security/data/fix/linux/debian-cve-2023-25744.md) | Jun 2, 2023 | | Linux | firefox-esr Debian 13.5 (trixie) | 102.8.0esr-1 | [DEBIAN-CVE-2023-25744](https://patchblox.com/security/data/fix/linux/debian-cve-2023-25744.md) | Jun 2, 2023 | | Linux | firefox-esr Debian 14 | 102.8.0esr-1 | [DEBIAN-CVE-2023-25744](https://patchblox.com/security/data/fix/linux/debian-cve-2023-25744.md) | Jun 2, 2023 | | Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 110.0+build3-0ubuntu0.18.04.1 | [firefox-geckodriver 110.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-110.0-build3-0ubuntu0.18.04.1.md) | Feb 14, 2023 | | Linux | firefox-geckodriver Ubuntu 20.04 LTS (focal) | 110.0+build3-0ubuntu0.20.04.1 | [firefox-geckodriver 110.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-geckodriver-110.0-build3-0ubuntu0.20.04.1.md) | Feb 14, 2023 | | Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 110.0+build3-0ubuntu0.18.04.1 | [firefox-mozsymbols 110.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-110.0-build3-0ubuntu0.18.04.1.md) | Feb 14, 2023 | | Linux | firefox-mozsymbols Ubuntu 20.04 LTS (focal) | 110.0+build3-0ubuntu0.20.04.1 | [firefox-mozsymbols 110.0+build3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-firefox-mozsymbols-110.0-build3-0ubuntu0.20.04.1.md) | Feb 14, 2023 | | Linux | firefox-x11 RHEL 9 | 0:102.8.0-2.el9_1 | [RHSA-2023:0810](https://patchblox.com/security/data/fix/linux/rhsa-2023-0810.md) | Feb 20, 2023 | | Linux | firefox-x11 almalinux 9 | 102.8.0-2.el9_1.alma | [ALSA-2023:0810](https://patchblox.com/security/data/fix/linux/alsa-2023-0810.md) | Feb 20, 2023 | | Linux | firefox-x11 ol 9 | 0:102.8.0-2.0.1.el9_1 | [ELSA-2023-0810](https://patchblox.com/security/data/fix/linux/elsa-2023-0810.md) | Feb 20, 2023 | | Linux | thunderbird Debian 12.15 (bookworm) | 1:102.8.0-1 | [DEBIAN-CVE-2023-25744](https://patchblox.com/security/data/fix/linux/debian-cve-2023-25744.md) | Jun 2, 2023 | | Linux | thunderbird Debian 13.5 (trixie) | 1:102.8.0-1 | [DEBIAN-CVE-2023-25744](https://patchblox.com/security/data/fix/linux/debian-cve-2023-25744.md) | Jun 2, 2023 | | Linux | thunderbird Debian 14 | 1:102.8.0-1 | [DEBIAN-CVE-2023-25744](https://patchblox.com/security/data/fix/linux/debian-cve-2023-25744.md) | Jun 2, 2023 | | Linux | thunderbird RHEL 8 | 0:102.8.0-2.el8_7 | [RHSA-2023:0821](https://patchblox.com/security/data/fix/linux/rhsa-2023-0821.md) | Feb 20, 2023 | | Linux | thunderbird RHEL 9 | 0:102.8.0-2.el9_1 | [RHSA-2023:0824](https://patchblox.com/security/data/fix/linux/rhsa-2023-0824.md) | Feb 20, 2023 | | Linux | thunderbird almalinux 8 | 102.8.0-2.el8_7.alma | [ALSA-2023:0821](https://patchblox.com/security/data/fix/linux/alsa-2023-0821.md) | Feb 20, 2023 | | Linux | thunderbird almalinux 9 | 102.8.0-2.el9_1.alma | [ALSA-2023:0824](https://patchblox.com/security/data/fix/linux/alsa-2023-0824.md) | Feb 20, 2023 | | Linux | thunderbird ol 8 | 0:102.8.0-2.0.1.el8_7 | [ELSA-2023-0821](https://patchblox.com/security/data/fix/linux/elsa-2023-0821.md) | Feb 20, 2023 | | Linux | thunderbird ol 9 | 0:102.8.0-2.0.1.el9_1 | [ELSA-2023-0824](https://patchblox.com/security/data/fix/linux/elsa-2023-0824.md) | Feb 20, 2023 | | Linux | thunderbird rocky 8 | 0:102.8.0-2.el8_7 | [RLSA-2023:0821](https://patchblox.com/security/data/fix/linux/rlsa-2023-0821.md) | Feb 22, 2023 | | Linux | thunderbird rocky 9 | 0:102.8.0-2.el9_1 | [RLSA-2023:0824](https://patchblox.com/security/data/fix/linux/rlsa-2023-0824.md) | Feb 22, 2023 | --- Data as of 2026-11-08T19:12:23Z UTC. 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