Description
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
unspecified to < 120affected
Mozilla Firefox ESR
unspecified to < 115.5.0affected
Mozilla Thunderbird
unspecified to < 115.5affected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1854076 ↗
- https://www.mozilla.org/security/advisories/mfsa2023-49/ ↗
- https://www.mozilla.org/security/advisories/mfsa2023-50/ ↗
- https://www.mozilla.org/security/advisories/mfsa2023-52/ ↗
- https://www.debian.org/security/2023/dsa-5561 ↗
- https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html ↗
- https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html ↗