Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Fix
Patch, vendor advisory and mitigation references on NVD 6
- https://www.mozilla.org/security/advisories/mfsa2023-29/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-31/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-29/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-31/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.9 · mozilla, debianNVD modified 2026-10-23 23:10
Affected (CPE criteria) 3
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
References 16
- https://bugzilla.mozilla.org/show_bug.cgi?id=1842658 Issue Tracking, Permissions Required
- https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
- https://www.debian.org/security/2023/dsa-5464 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5469 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-29/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-31/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1842658 Issue Tracking, Permissions Required
- https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
- https://www.debian.org/security/2023/dsa-5464 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5469 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-29/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-31/ Vendor Advisory