An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
Fix
Patch, vendor advisory and mitigation references on NVD 8
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821959 Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-13/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-14/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-15/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821959 Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-13/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-14/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-15/ 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 8.8 · mozillaNVD modified 2026-10-23 23:10
Affected (CPE criteria) 5
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*cpe:2.3:a:mozilla:focus:*:*:*:*:*:android:*:*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
References 8
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821959 Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-13/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-14/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-15/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821959 Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-13/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-14/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-15/ Vendor Advisory