What is GHSA-xrgw-w7v2-3qp8?

GHSA-xrgw-w7v2-3qp8 is a security advisory published by GitHub Security Advisories with High severity. A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of...

Which CVE IDs does GHSA-xrgw-w7v2-3qp8 cover?

GHSA-xrgw-w7v2-3qp8 covers the following CVE IDs: CVE-2026-88806. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xrgw-w7v2-3qp8?

GHSA-xrgw-w7v2-3qp8 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-xrgw-w7v2-3qp8HighCVSS 7.5

A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of...

Vendor

GitHub Security Advisories

Published

September 21, 2026

Last Modified

September 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-88806 →

📋 Description

A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-88806
https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/309
https://github.com/advisories/GHSA-xrgw-w7v2-3qp8