Description
Cryptographic issue in the Security Block-lists, Allow-lists, and other State component. This vulnerability was fixed in Firefox 158.0.1, Firefox ESR 153.5.1, Firefox ESR 115.43.1, Thunderbird 158.0.1, Thunderbird 153.5.1, and Firefox 158.0.2.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
115.43.1 to ≤ 115.*unaffected153.5.1 to ≤ 153.*unaffected158.0.1 to ≤ 158.*unaffected158.0.2 to ≤ *unaffected
Mozilla Thunderbird
153.5.1 to ≤ 153.*unaffected158.0.1 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2084311 ↗
- https://www.mozilla.org/security/advisories/mfsa2026-111/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-112/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-113/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-114/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-115/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-116/ ↗
- http://www.openwall.com/lists/oss-security/2026/10/20/30 ↗
- https://lists.debian.org/debian-lts-announce/2026/10/msg00041.html ↗