Vulnerability 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, Thunderbird 140.16, and Thunderbird 153.3.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2060601
- https://www.mozilla.org/security/advisories/mfsa2026-94/
- https://www.mozilla.org/security/advisories/mfsa2026-95/
- https://www.mozilla.org/security/advisories/mfsa2026-96/
FAQ
What is CVE-2026-92238?
CVE-2026-92238 is a documented vulnerability. 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, Thunderbird 140.16, and...
How severe is CVE-2026-92238?
CVSS scoring is not yet available for CVE-2026-92238. Check NVD for updates.
Is there a patch for CVE-2026-92238?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.