CVE-2024-49393: Mutt

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.

Affected products

• Mutt Mutt: affected versions not specified
• Neomutt Neomutt: affected versions not specified
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2024-11-12. Last modified 2026-06-26.