CVE-2026-94285

Public on 2026-09-28
Modified on 2026-09-30
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.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
5.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core libX11 Pending Fix
Amazon Linux 2023 libX11 Pending Fix
Amazon Linux 2027 Preview libX11 Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L