CVE-2026-92238
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Thunderbird | 140.16 <= 140.* | unaffected |
| Mozilla | Thunderbird | 153.3 <= 153.* | unaffected |
| Mozilla | Thunderbird | 156 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
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/
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