What is GHSA-7g6w-jj32-qj92?

GHSA-7g6w-jj32-qj92 is a security advisory published by GitHub Security Advisories with Low severity. xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a...

Which CVE IDs does GHSA-7g6w-jj32-qj92 cover?

GHSA-7g6w-jj32-qj92 covers the following CVE IDs: CVE-2026-86141. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-7g6w-jj32-qj92?

GHSA-7g6w-jj32-qj92 has a CVSS v3 base score of 2.9, published by GitHub Security Advisories.

GHSA-7g6w-jj32-qj92LowCVSS 2.9

xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a...

Vendor

GitHub Security Advisories

Published

September 5, 2026

Last Modified

September 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-86141 →

📋 Description

xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-86141
https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107
https://github.com/advisories/GHSA-7g6w-jj32-qj92