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Affected Component
Analysis
xserver_xorg-server
Exploitable
Name
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.
CWEs
Published Date
Updated Date
Workaround
-
Analysis#
Vulnerability Ratings#
8.5
CVSSv31
7.8
CVSSv31
NaN
other
Others affected component#
Name
Project
Project Version
Version
Status
buildroot
2025.02.x
21.1.24
Exploitable