CVE-2026-94283CWE-125

CVE-2026-94283

Medium · published September 28, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
9.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00199 · 9.2th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-28T13:17Z
References (1)
https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=42d0303f243002a9856c76060569a61893c670dd · [email protected]
EPSS history
Timeline
  • 29 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 28 SEP 08:34Z
    Out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser
    cvelistv5