What is GHSA-xhgq-6j5j-j427?

GHSA-xhgq-6j5j-j427 is a security advisory published by GitHub Security Advisories with High severity. An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by...

Which CVE IDs does GHSA-xhgq-6j5j-j427 cover?

GHSA-xhgq-6j5j-j427 covers the following CVE IDs: CVE-2026-94286. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xhgq-6j5j-j427?

GHSA-xhgq-6j5j-j427 has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-xhgq-6j5j-j427HighCVSS 7.1

An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by...

Vendor

GitHub Security Advisories

Published

September 28, 2026

Last Modified

September 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-94286 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-94286
https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/10/diffs?commit_id=16023c86070e6af9407330deea3938fcef75815b
https://github.com/advisories/GHSA-xhgq-6j5j-j427