Description
Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
115.19 to ≤ 115.*unaffected128.6 to ≤ 128.*unaffected134 to ≤ *unaffected
Mozilla Thunderbird
128.6 to ≤ 128.*unaffected134 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1915535 ↗
- https://www.mozilla.org/security/advisories/mfsa2025-01/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-02/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-03/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-04/ ↗
- https://www.mozilla.org/security/advisories/mfsa2025-05/ ↗
- https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html ↗