CVE-2026-109904

EUVD-2026-125273
A buffer overread caused by an integer-overflow in Proc/SProcXResQueryClientIds in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by attackers on authenticated X clients to crash the server or leak out information.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
suseCNA
6.9 MEDIUM
LOCAL
LOW
LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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: 6.23%
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
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://gitlab.freedesktop.org/xorg/xserver/-/commit/a3899d75e180d73f2971af2a402e6fdf19c0339c
https://gitlab.freedesktop.org/xorg/xserver/-/commit/ff754b812597177412f2e2fa2b1dd1eecbeb75cf