cvedb.io
CVE-2026-56003
HIGH · CVSS 8.5
EPSS exploitation probability: 0%
Published 2026-07-08T10:16:23.577 · Last modified 2026-07-08T13:16:54.400

Summary

A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server.

Does this affect you?

Add your gear to cvedb and we'll alert you only when a vendor you run ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.