CVE-2013-6462: X Libxfont

High severity, CVSS 9.3. EPSS: 10.3% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

Affected products

• X Libxfont: version 1.1.0 only; version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; …

Published 2014-01-09. Last modified 2026-06-17.