CVE-2026-109093

EUVD-2026-125346
A stack buffer overflow in  ProcXTestFakeInput DeviceValuator handling in X.Org xwayland before 24.1.15 and X server before 21.1.26 could be used by authenticated clients to crash or execute code in the X server.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
suseCNA
8.5 HIGH
LOCAL
LOW
LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
x.orgxwayland
𝑥
< 24.1.15
CNA
Debian logo
Debian Releases
Debian Product
Codename
xorg-server
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
trixie (security)
vulnerable
xwayland
bookworm
unimportant
forky
unimportant
sid
unimportant
trixie
unimportant
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
xorg-x11-server
suse enterprise sap 12 SP5
1.19.6-10.117.1
fixed
suse enterprise sap 15 SP4
1.20.3-150400.38.80.1
fixed
suse enterprise server 12 SP5
1.19.6-10.117.1
fixed
suse enterprise server 15 SP4
1.20.3-150400.38.80.1
fixed
xorg-x11-server-extra
suse enterprise sap 12 SP5
1.19.6-10.117.1
fixed
suse enterprise sap 15 SP4
1.20.3-150400.38.80.1
fixed
suse enterprise server 12 SP5
1.19.6-10.117.1
fixed
suse enterprise server 15 SP4
1.20.3-150400.38.80.1
fixed
xorg-x11-server-sdk
suse enterprise sap 15 SP4
1.20.3-150400.38.80.1
fixed
suse enterprise server 15 SP4
1.20.3-150400.38.80.1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
xorg-x11-server-Xdmx
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
xorg-x11-server-Xephyr
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xephyr-debuginfo
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xnest
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xnest-debuginfo
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xorg
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xorg-debuginfo
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xvfb
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xvfb-debuginfo
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-Xwayland
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.8
fixed
xorg-x11-server-Xwayland-debuginfo
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.8
fixed
xorg-x11-server-Xwayland-debugsource
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.8
fixed
xorg-x11-server-Xwayland-devel
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.8
fixed
xorg-x11-server-common
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-debuginfo
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-debugsource
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-devel
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
xorg-x11-server-source
Amazon Linux 2
0:1.20.4-22.amzn2.0.15
fixed
Amazon Linux 2023
0:21.1.13-5.amzn2023.0.13
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://gitlab.freedesktop.org/xorg/xserver/-/commit/99ce069ae814b39048543062e073320f14723ee0