CVE-2015-3451: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 4% chance of exploitation in the next 30 days.

The _clone function in XML::LibXML before 2.0119 does not properly set the expand_entities option, which allows remote attackers to conduct XML external entity (XXE) attacks via crafted XML data to the (1) new or (2) load_xml function.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 14.10 only; version 15.04 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Fedoraproject Fedora: version 20 only; version 21 only
• Opensuse Opensuse: version 13.1 only; version 13.2 only
• XML-Libxml Project XML-Libxml: up to and including 2.0118

Published 2015-05-12. Last modified 2026-06-17.