CVE-2011-1003: Clamav

Medium severity, CVSS 6.8. EPSS: 4.2% chance of exploitation in the next 30 days.

Double free vulnerability in the vba_read_project_strings function in vba_extract.c in libclamav in ClamAV before 0.97 might allow remote attackers to execute arbitrary code via crafted Visual Basic for Applications (VBA) data in a Microsoft Office document. NOTE: some of these details are obtained from third party information.

Affected products

• Clamav Clamav: up to and including 0.96.5; version 0.01 only; version 0.02 only; version 0.3 only; version 0.03 only; version 0.05 only; …

Published 2011-02-23. Last modified 2026-06-16.