CVE-2026-56003 – libXfont2 computeProps Property Buffer Heap Buffer Overflow

CVE ID :CVE-2026-56003

Published : July 8, 2026, 10:16 a.m. | 1 hour, 32 minutes ago

Description :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.

Severity: 8.5 | HIGH

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