CVE-2007-2650: Clamav

Medium severity, CVSS 4.3. EPSS: 3.2% chance of exploitation in the next 30 days.

The OLE2 parser in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (resource consumption) via an OLE2 file with (1) a large property size or (2) a loop in the FAT file block chain that triggers an infinite loop, as demonstrated via a crafted DOC file.

Affected products

  • Clamav Clamav: before 0.90.3 (fixed in 0.90.3)
  • Debian Debian Linux: version 3.1 only; version 4.0 only

Published 2007-05-14. Last modified 2026-06-16.