Description
`AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding()` and `AppendEncodedCharacters()` could have experienced integer overflows, causing underallocation of an output buffer leading to an out of bounds write. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
unspecified to < 124affected
Mozilla Firefox ESR
unspecified to < 115.9affected
Mozilla Thunderbird
unspecified to < 115.9affected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1880692 ↗
- https://www.mozilla.org/security/advisories/mfsa2024-12/ ↗
- https://www.mozilla.org/security/advisories/mfsa2024-13/ ↗
- https://www.mozilla.org/security/advisories/mfsa2024-14/ ↗
- https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html ↗
- https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html ↗