GHSA-w2rw-r9p8-wp72CriticalCVSS 9.8

A maliciously constructed mail header could lead to multiple fields being parsed as one, or...

Published
September 15, 2026
Last Modified
September 22, 2026

🔗 CVE IDs covered (1)

📋 Description

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 and Thunderbird 140.16.

🔗 References (6)