GHSA-wq87-gp3m-ww5vunknown

A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response...

Published
September 15, 2026
Last Modified
September 16, 2026

🔗 CVE IDs covered (1)

📋 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 and Thunderbird 140.16.

🔗 References (6)