Feed/CVE-2026-56003
CVE-2026-56003HIGHCVSS 8.5

CVE-2026-56003

Published Jul 8, 2026·Updated Jul 9, 2026

NVD 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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References

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