high8.5
CVE-2026-56003
A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 befor…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| X | Libxfont | from 2.0.0 before 2.0.8 |