CVE-2010-1311: Clamav

Medium severity, CVSS 5.0. EPSS: 3.3% chance of exploitation in the next 30 days.

The qtm_decompress function in libclamav/mspack.c in ClamAV before 0.96 allows remote attackers to cause a denial of service (memory corruption and application crash) via a crafted CAB archive that uses the Quantum (aka .Q) compression format. NOTE: some of these details are obtained from third party information.

Affected products

• Clamav Clamav: up to and including 0.96; version 0.01 only; version 0.02 only; version 0.3 only; version 0.03 only; version 0.05 only; …
• Clamavs Clamav: version 0.04 only; version 0.06 only

Published 2010-04-08. Last modified 2026-06-16.