CVE-2014-0209: Canonical Ubuntu Linux

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Multiple integer overflows in the (1) FontFileAddEntry and (2) lexAlias functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 might allow local users to gain privileges by adding a directory with a large fonts.dir or fonts.alias file to the font path, which triggers a heap-based buffer overflow, related to metadata.

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 12.04 only; version 12.10 only; version 13.10 only; version 14.04 only
• X Libxfont: up to and including 1.4.7; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; version 1.2.6 only; version 1.2.7 only; …

Published 2014-05-15. Last modified 2026-06-17.