🔐 CVE Alert

CVE-2026-109094

UNKNOWN 0.0

X.Org Server XRes QueryResourceBytes Swap Path Size Overflow

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

A integer overflow that can lead to a buffer overrread in the XRes QueryResourceBytes Swap Path in the X.Org xwayland before 24.1.15 and X Server before 21.1.26 on 32bit systems could be used by authenticated clients to crash the X server.

CWE CWE-190
Vendor x.org
Product xwayland
Published Nov 13, 2026
Last Updated Nov 13, 2026
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Affected Versions

X.Org / xwayland
0 < 24.1.15
X.Org / xorg-x11-server
0 < 21.1.26

References

NVD ↗ CVE.org ↗ EPSS Data ↗
gitlab.freedesktop.org: https://gitlab.freedesktop.org/xorg/xserver/-/commit/a59678e491a762e504829cac069cf37f4ccafe0d