CVE-2026-93543CWE-125

CVE-2026-93543

High · published September 24, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
14.9
In the wild
Unconfirmed
What it is

An out-of-bounds read in libXi's XI2 class parser in libXi before 1.8.4 could be used by malicious X servers to crash an attached X client.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00246 · 14.9th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-24T21:17Z
References (1)
https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=e2089ab748828273f916bbffd4e65b506aa50fdc · [email protected]
EPSS history
Timeline
  • 26 SEP 03:27Z
    EPSS moved — → 0%
    epss
  • 24 SEP 16:09Z
    Out-of-bounds read in libXi's XI2 class parser
    cvelistv5