CVE-2007-1745: Clam Anti-Virus Clamav

High severity, CVSS 7.1. EPSS: 2.3% chance of exploitation in the next 30 days.

The chm_decompress_stream function in libclamav/chmunpack.c in Clam AntiVirus (ClamAV) before 0.90.2 leaks file descriptors, which has unknown impact and attack vectors involving a crafted CHM file, a different vulnerability than CVE-2007-0897. NOTE: some of these details are obtained from third party information.

Affected products

• Clam Anti-Virus Clamav: up to and including 0.90.1
• Ifenslave Ifenslave: version 0.88 only

Published 2007-04-16. Last modified 2026-06-16.