What is GHSA-cq7w-3xjv-g47g?

GHSA-cq7w-3xjv-g47g is a security advisory published by GitHub Security Advisories with Low severity. In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds...

Which CVE IDs does GHSA-cq7w-3xjv-g47g cover?

GHSA-cq7w-3xjv-g47g covers the following CVE IDs: CVE-2026-86137. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cq7w-3xjv-g47g?

GHSA-cq7w-3xjv-g47g has a CVSS v3 base score of 2.9, published by GitHub Security Advisories.

GHSA-cq7w-3xjv-g47gLowCVSS 2.9

In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds...

Vendor

GitHub Security Advisories

Published

September 5, 2026

Last Modified

September 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-86137 →

📋 Description

In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-86137
https://github.com/GNOME/libxml2/commit/76fe08d97de88bfaef2f7d5cd27f11954cc5bee2
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1099
https://github.com/advisories/GHSA-cq7w-3xjv-g47g