CVE-2009-1270: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 5.1% chance of exploitation in the next 30 days.

libclamav/untar.c in ClamAV before 0.95 allows remote attackers to cause a denial of service (infinite loop) via a crafted TAR file that causes (1) clamd and (2) clamscan to hang.

Affected products

• Canonical Ubuntu Linux: version 8.10 only
• Clamav Clamav: before 0.95 (fixed in 0.95)
• Debian Debian Linux: version 4.0 only; version 5.0 only

Published 2009-04-08. Last modified 2026-06-16.