CVE-2026-94285

MEDIUMCVSS 5.1

Description

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.

Timeline

Published:September 28th, 2026 9:17 AM

Last modified:September 30th, 2026 1:17 PM

CVSS Scoring

CVSS v3: 5.1 (MEDIUM)

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Weaknesses (CWE)

CWE-125

References & Reports

Advisories, patches, and third-party reports

https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=980868483446f24f9658d26aa5bfa42f3da6dd3a

Source: NIST NVD · Data may lag official sources by up to one minute