CVE-2026-94285CWE-125

CVE-2026-94285

Medium · published September 28, 2026

CVSS v3.1
5.1
EPSS
0%
Percentile
1.3
In the wild
Unconfirmed
What it is

An out-of-bounds read in libX11's byte-oriented codeset 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
5.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00111 · 1.3th 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=980868483446f24f9658d26aa5bfa42f3da6dd3a · [email protected]
EPSS history
Timeline
  • 29 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 28 SEP 08:45Z
    Out-of-bounds read in libX11's byte-oriented codeset parser
    cvelistv5