CVE-2026-94283

EUVD-2026-88174
An out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
suseCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 11.66%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
x.orglibx11
𝑥
< 1.8.14
CNA
Debian logo
Debian Releases
Debian Product
Codename
libx11
bookworm
postponed
bookworm (security)
vulnerable
forky
2:1.8.14-1
fixed
sid
2:1.8.14-1
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libx11
bionic
Fixed 2:1.6.4-3ubuntu0.4+esm3
released
focal
Fixed 2:1.6.9-2ubuntu1.6+esm1
released
jammy
Fixed 2:1.7.5-1ubuntu0.4
released
noble
Fixed 2:1.8.7-1ubuntu0.1
released
resolute
Fixed 2:1.8.13-1ubuntu0.1
released
trusty
Fixed 2:1.6.2-1ubuntu2.1+esm6
released
xenial
Fixed 2:1.6.3-1ubuntu2.2+esm5
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libX11-6
suse enterprise desktop 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise sap 12 SP5
1.6.2-12.41.1
fixed
suse enterprise sap 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise sap 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise server 12 SP3
1.6.2-12.41.1
fixed
suse enterprise server 12 SP5
1.6.2-12.41.1
fixed
suse enterprise server 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise server 15 SP7
1.8.10-150700.4.8.1
fixed
libX11-6-32bit
suse enterprise desktop 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise sap 12 SP5
1.6.2-12.41.1
fixed
suse enterprise sap 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise sap 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise server 12 SP3
1.6.2-12.41.1
fixed
suse enterprise server 12 SP5
1.6.2-12.41.1
fixed
suse enterprise server 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise server 15 SP7
1.8.10-150700.4.8.1
fixed
libX11-data
suse enterprise desktop 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise sap 12 SP5
1.6.2-12.41.1
fixed
suse enterprise sap 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise sap 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise server 12 SP3
1.6.2-12.41.1
fixed
suse enterprise server 12 SP5
1.6.2-12.41.1
fixed
suse enterprise server 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise server 15 SP7
1.8.10-150700.4.8.1
fixed
libX11-devel
suse enterprise desktop 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise sap 12 SP5
1.6.2-12.41.1
fixed
suse enterprise sap 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise sap 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise server 12 SP5
1.6.2-12.41.1
fixed
suse enterprise server 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise server 15 SP7
1.8.10-150700.4.8.1
fixed
libX11-xcb1
suse enterprise desktop 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise sap 12 SP5
1.6.2-12.41.1
fixed
suse enterprise sap 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise sap 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise server 12 SP3
1.6.2-12.41.1
fixed
suse enterprise server 12 SP5
1.6.2-12.41.1
fixed
suse enterprise server 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise server 15 SP7
1.8.10-150700.4.8.1
fixed
libX11-xcb1-32bit
suse enterprise desktop 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise sap 12 SP5
1.6.2-12.41.1
fixed
suse enterprise sap 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise sap 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise sap 15 SP7
1.8.10-150700.4.8.1
fixed
suse enterprise server 12 SP3
1.6.2-12.41.1
fixed
suse enterprise server 12 SP5
1.6.2-12.41.1
fixed
suse enterprise server 15 SP4
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP5
1.6.5-150000.3.41.1
fixed
suse enterprise server 15 SP6
1.8.7-150600.3.11.1
fixed
suse enterprise server 15 SP7
1.8.10-150700.4.8.1
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
libX11
Azure Linux 3.0
0:1.8.7-2.azl3
fixed
Common Weakness Enumeration
References
https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=42d0303f243002a9856c76060569a61893c670dd