CVE-2026-93522

EUVD-2026-112254
A heap buffer overflow caused by mismatched size usage in CopyArea CPU-to-FBO path in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in the X server context.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
suseCNA
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
< 24.1.14
CNA
Debian logo
Debian Releases
Debian Product
Codename
xorg-server
bookworm
2:21.1.7-3+deb12u12
fixed
bookworm (security)
2:21.1.7-3+deb12u13
fixed
forky
2:21.1.25-2
fixed
sid
2:21.1.25-2
fixed
trixie
2:21.1.16-1.3+deb13u3
fixed
trixie (security)
2:21.1.16-1.3+deb13u4
fixed
xwayland
bookworm
unimportant
forky
2:24.1.14-1
fixed
sid
2:24.1.14-1
fixed
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xorg
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
resolute
not-affected
stonking
not-affected
xenial
not-affected
xorg-server
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
stonking
needs-triage
trusty
needs-triage
xenial
needs-triage
xwayland
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
stonking
needs-triage
xorg-server-hwe-16.04
jammy
dne
noble
dne
resolute
dne
stonking
dne
xenial
needs-triage
xorg-server-hwe-18.04
bionic
needs-triage
jammy
dne
noble
dne
resolute
dne
stonking
dne
xorg-hwe-16.04
jammy
dne
noble
dne
resolute
dne
stonking
dne
xenial
not-affected
xorg-hwe-18.04
bionic
not-affected
jammy
dne
noble
dne
resolute
dne
stonking
dne
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
xorg-x11-server-Xwayland
RHEL 9
0:24.1.9-4.el9_8.4
fixed
xorg-x11-server-Xwayland-devel
RHEL 9
0:24.1.9-4.el9_8.4
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
xorg-x11-server-Xwayland
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.7
fixed
xorg-x11-server-Xwayland-debuginfo
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.7
fixed
xorg-x11-server-Xwayland-debugsource
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.7
fixed
xorg-x11-server-Xwayland-devel
Amazon Linux 2023
0:24.1.3-1.amzn2023.0.7
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://gitlab.freedesktop.org/xorg/xserver/-/commit/ad26c26bf795e6464f74c8ef5bb1d41403d877ab