CVE-2013-0338: Canonical Ubuntu Linux

Medium severity, CVSS 4.3. EPSS: 2.9% chance of exploitation in the next 30 days.

libxml2 2.9.0 and earlier allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, aka "internal entity expansion" with linear complexity.

Affected products

• Canonical Ubuntu Linux: version 8.04 only; version 10.04 only; version 11.10 only; version 12.04 only; version 12.10 only
• Opensuse Opensuse: version 12.1 only; version 12.2 only; version 12.3 only
• Xmlsoft LIBXML2: up to and including 2.9.0; version 1.7.0 only; version 1.7.1 only; version 1.7.2 only; version 1.7.3 only; version 1.7.4 only; …

Published 2013-04-25. Last modified 2026-06-16.