Feed/CVE-2026-55999
CVE-2026-55999HIGHCVSS 8.5

CVE-2026-55999

Published Jul 8, 2026·Updated Jul 9, 2026

NVD 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.

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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