What is GHSA-r8fp-cwhw-m8hh?

GHSA-r8fp-cwhw-m8hh is a security advisory published by GitHub Security Advisories with Medium severity. libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity...

Which CVE IDs does GHSA-r8fp-cwhw-m8hh cover?

GHSA-r8fp-cwhw-m8hh covers the following CVE IDs: CVE-2026-32776. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r8fp-cwhw-m8hh?

GHSA-r8fp-cwhw-m8hh has a CVSS v3 base score of 4.0, published by GitHub Security Advisories.

GHSA-r8fp-cwhw-m8hhMediumCVSS 4.0

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity...

Vendor

GitHub Security Advisories

Published

March 16, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-32776 →

📋 Description

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-32776
https://github.com/libexpat/libexpat/pull/1158
https://github.com/libexpat/libexpat/pull/1159
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
https://cert-portal.siemens.com/productcert/html/ssa-457936.html
https://github.com/advisories/GHSA-r8fp-cwhw-m8hh