CVE-2026-56003
X.Org libXfont2, libxfont
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.
- CVSS
- 8.8
- EPSS
- 0.64% 46.8% percentile
- CISA KEV
- Not listed
- Published
- 2026.07.08