CVE-2026-92240

Description

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.

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Produits concernés

• Mozilla Thunderbird

Scores CVSS

Faiblesses (CWE)

• CWE-125

Références

• https://bugzilla.mozilla.org/show_bug.cgi?id=2069113 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

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories