CVEvulnerability
CVE-2026-92239
8.1 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-15
- Last modified
- 2026-09-24
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- Weaknesses
- CWE-125
Description
A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Affected configurations
• mozilla thunderbird (< 140.16.0)
• mozilla thunderbird (>= 141.0 < 153.3.0)
• mozilla thunderbird (>= 154.0 < 156.0)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2060488 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-94/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-95/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-96/ Vendor Advisory