CVE-2026-56003 | X.Org libXfont2 up to 2.0.7 PCF file Parser ComputeScaledProperties heap-based overflow

A vulnerability labeled as very critical has been found in X.Org libXfont2 up to 2.0.7. This issue affects the function ComputeScaledProperties of the component PCF file Parser. Such manipulation leads to heap-based buffer overflow.

This vulnerability is referenced as CVE-2026-56003. It is possible to launch the attack remotely. No exploit is available.