What is GHSA-gcmc-83gc-jhq6?

GHSA-gcmc-83gc-jhq6 is a security advisory published by GitHub Security Advisories with High severity. Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153.

Which CVE IDs does GHSA-gcmc-83gc-jhq6 cover?

GHSA-gcmc-83gc-jhq6 covers the following CVE IDs: CVE-2026-16409. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-gcmc-83gc-jhq6?

GHSA-gcmc-83gc-jhq6 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-gcmc-83gc-jhq6HighCVSS 7.5

Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153.

Vendor

GitHub Security Advisories

Published

July 21, 2026

Last Modified

July 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-16409 →

📋 Description

Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-16409
https://bugzilla.mozilla.org/show_bug.cgi?id=2052134
https://www.mozilla.org/security/advisories/mfsa2026-68
https://www.mozilla.org/security/advisories/mfsa2026-71
https://github.com/advisories/GHSA-gcmc-83gc-jhq6