CVE-2026-56002

HighCVSS 8.8/10Last modified Jul 13, 2026

Description

A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

No affected versions have been published.

Timeline

Published: Jul 8, 2026
Last modified: Jul 13, 2026
NVD status: Analyzed

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