CVE-2007-3023: Clam Anti-Virus Clamav

High severity, CVSS 10.0. EPSS: 2.2% chance of exploitation in the next 30 days.

unsp.c in ClamAV before 0.90.3 and 0.91 before 0.91rc1 does not properly calculate the end of a certain buffer, with unknown impact and remote attack vectors.

Affected products

• Clam Anti-Virus Clamav: version 0.90 only; version 0.90.1 only; version 0.90.2 only; version 0.90_rc1.1 only; version 0.90_rc2 only

Published 2007-06-07. Last modified 2026-06-16.