CVE-2026-92240

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-92240
A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVSS

No CVSS.

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2069113
https://www.mozilla.org/security/advisories/mfsa2026-94/
https://www.mozilla.org/security/advisories/mfsa2026-95/
https://www.mozilla.org/security/advisories/mfsa2026-96/
Configurations

No configuration.

History

16 Sep 2026, 15:19

Type Values Removed Values Added
References
  • () https://www.mozilla.org/security/advisories/mfsa2026-96/ -
Summary (en) A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156 and Thunderbird 140.16. (en) A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Information

Published : 2026-09-15 20:19

Updated : 2026-09-16 19:34

NVD link : CVE-2026-92240

Mitre link : CVE-2026-92240

CVE.ORG link : CVE-2026-92240

JSON object : View

Products Affected

No product.

CWE

No CWE.