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CVE-2026-56002

8.8 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.8 · xNVD modified 2026-10-25 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:x:libxfont:*:*:*:*:*:*:*:*

References 2