CVE-2026-94286
Public on 2026-09-28
Modified on 2026-09-30
Description
An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | libXtst | 2026-10-24 | ALAS2-2026-4012 | Fixed |
| Amazon Linux 2023 | libXtst | 2026-10-24 | ALAS2023-2026-3259 | Fixed |
| Amazon Linux 2027 Preview | libXtst | 2026-10-26 | ALAS2027-2026-227 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |