CVE-2023-4874: Debian Linux

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only; version 12.0 only
• Mutt Mutt: after 1.5.2, before 2.2.12 (fixed in 2.2.12)

Published 2023-09-09. Last modified 2026-06-17.