CVE-2006-5874: Clam Anti-Virus Clamav

Medium severity, CVSS 5.0. EPSS: 2.7% chance of exploitation in the next 30 days.

Clam AntiVirus (ClamAV) 0.88 and earlier allows remote attackers to cause a denial of service (crash) via a malformed base64-encoded MIME attachment that triggers a null pointer dereference.

Affected products

• Clam Anti-Virus Clamav: up to and including 0.88; version . only; version 0.80 only; version 0.80_rc1 only; version 0.80_rc2 only; version 0.80_rc3 only; …

Published 2006-12-10. Last modified 2026-06-16.