CVE-2026-92238

Description

A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. This vulnerability was fixed in Thunderbird 156 and Thunderbird 140.16.

References

https://www.mozilla.org/security/advisories/mfsa2026-95/

https://www.mozilla.org/security/advisories/mfsa2026-94/

https://bugzilla.mozilla.org/show_bug.cgi?id=2060601

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3