CVE-2017-13722: X.org Libxfont

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers authenticated to an Xserver for a buffer over-read, for information disclosure or a crash of the X server.

Affected products

• X.org Libxfont: up to and including 1.5.2; version 2.0.0 only; version 2.0.1 only

Published 2017-10-11. Last modified 2026-06-17.