CVE-2024-49394: Mutt

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an unencrypted but signed email message to impersonate the original sender.

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.