Description
Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox
153.2 to ≤ 153.*unaffected155 to ≤ *unaffected
Mozilla Thunderbird
153.2 to ≤ 153.*unaffected155 to ≤ *unaffected
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=2054619%2C2054620%2C2054624%2C2054702%2C2054726%2C2054775%2C2055703%2C2058006%2C2058013%2C2058098%2C2058627%2C2058661%2C2059127%2C2059128%2C2059180%2C2059199%2C2059205%2C2061320%2C2061430%2C2061495%2C2061505%2C2061532%2C2061799 ↗
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=2054625%2C2059002%2C2061775 ↗
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=2054691%2C2058085%2C2059144%2C2059191%2C2059192%2C2061521%2C2062395%2C2062404 ↗
- https://www.mozilla.org/security/advisories/mfsa2026-82/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-85/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-86/ ↗
- https://www.mozilla.org/security/advisories/mfsa2026-88/ ↗