CVE-2004-1876: Clam Anti-Virus Clamav

Medium severity, CVSS 4.6. EPSS: 0.6% chance of exploitation in the next 30 days.

The "%f" feature in the VirusEvent directive in Clam AntiVirus daemon (clamd) before 0.70 allows local users to execute arbitrary commands via shell metacharacters in a file name.

Affected products

• Clam Anti-Virus Clamav: version 0.51 only; version 0.52 only; version 0.53 only; version 0.54 only; version 0.60 only; version 0.65 only; …

Published 2004-03-30. Last modified 2026-06-16.