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CVE PROGRAM SOURCE RECORD8.5 High

CVE-2026-56002

libXfont2 PCF Font Parsing Heap Buffer Overflow

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

X.Org libXfont2

Default version status: unaffected

  • 0 to < 2.0.8affected

References