What is GHSA-r63g-v8rx-c2hg?

GHSA-r63g-v8rx-c2hg is a security advisory published by GitHub Security Advisories with High severity. An out-of-bounds read in libXi's XI2 class parser in libXi before 1.8.4 could be used by...

Which CVE IDs does GHSA-r63g-v8rx-c2hg cover?

GHSA-r63g-v8rx-c2hg covers the following CVE IDs: CVE-2026-93543. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r63g-v8rx-c2hg?

GHSA-r63g-v8rx-c2hg has a CVSS v3 base score of 7.4, published by GitHub Security Advisories.

GHSA-r63g-v8rx-c2hgHighCVSS 7.4

An out-of-bounds read in libXi's XI2 class parser in libXi before 1.8.4 could be used by...

Vendor

GitHub Security Advisories

Published

September 24, 2026

Last Modified

September 24, 2026

🔗 CVE IDs covered (1)

CVE-2026-93543 →

📋 Description

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-93543
https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=e2089ab748828273f916bbffd4e65b506aa50fdc
https://github.com/advisories/GHSA-r63g-v8rx-c2hg