CVE-2026-12290
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/06/2026
Last modified:
16/06/2026
Description
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
Impact
References to Advisories, Solutions, and Tools
- https://bugzilla.mozilla.org/show_bug.cgi?id=2024852
- https://www.mozilla.org/security/advisories/mfsa2026-57/
- https://www.mozilla.org/security/advisories/mfsa2026-58/
- https://www.mozilla.org/security/advisories/mfsa2026-59/
- https://www.mozilla.org/security/advisories/mfsa2026-60/
- https://www.mozilla.org/security/advisories/mfsa2026-61/