CVE-2026-92238
Critical · CVSS 9.8- CVSS
- 9.8
- nvd
- EPSS
- 0.61%
- 47th pct
- KEV
- No
- Class
- other
- CWE-444
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
Status: profiled · ingested 2026-09-24T18:00:19.000Z