CVE-2014-0467: Mutt

Medium severity, CVSS 5.0. EPSS: 4.5% chance of exploitation in the next 30 days.

Buffer overflow in copy.c in Mutt before 1.5.23 allows remote attackers to cause a denial of service (crash) via a crafted RFC2047 header line, related to address expansion.

Affected products

• Mutt Mutt: up to and including 1.5.22; version 1.5 only; version 1.5.1 only; version 1.5.2 only; version 1.5.3 only; version 1.5.4 only; …
• Opensuse Opensuse: version 11.4 only; version 12.3 only; version 13.1 only

Published 2014-03-14. Last modified 2026-06-17.