Description
Use-after-free in the XML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
115.44 to ≤ 115.*unaffected153.6 to ≤ 153.*unaffected159 to ≤ *unaffected
Mozilla Thunderbird
153.6 to ≤ 153.*unaffected159 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2076705 ↗
- https://www.mozilla.org/security/advisories/mfsa2026-118/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-119/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-120/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-121/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-122/ ↗