VYPR
High severity8.5NVD Advisory· Published Jul 8, 2026· Updated Jul 9, 2026

CVE-2026-55999

CVE-2026-55999

Description

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.

Affected products

20

Patches

Vulnerability mechanics

References

2

News mentions

0

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