What is GHSA-v2j6-3q6q-gm3g?

GHSA-v2j6-3q6q-gm3g is a security advisory published by GitHub Security Advisories with Medium severity. libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that...

Which CVE IDs does GHSA-v2j6-3q6q-gm3g cover?

GHSA-v2j6-3q6q-gm3g covers the following CVE IDs: CVE-2026-56406. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v2j6-3q6q-gm3g?

GHSA-v2j6-3q6q-gm3g has a CVSS v3 base score of 6.9, published by GitHub Security Advisories.

GHSA-v2j6-3q6q-gm3gMediumCVSS 6.9

libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that...

Vendor

GitHub Security Advisories

Published

June 21, 2026

Last Modified

June 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-56406 →

📋 Description

libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-56406
https://github.com/libexpat/libexpat/pull/1255
https://github.com/advisories/GHSA-v2j6-3q6q-gm3g