CVE-2007-4560: Clam Anti-Virus Clamav

High severity, CVSS 7.6. EPSS: 83.5% chance of exploitation in the next 30 days.

clamav-milter in ClamAV before 0.91.2, when run in black hole mode, allows remote attackers to execute arbitrary commands via shell metacharacters that are used in a certain popen call, involving the "recipient field of sendmail."

Affected products

• Clam Anti-Virus Clamav: up to and including 0.91.1

Published 2007-08-28. Last modified 2026-06-16.