What is GHSA-h8wm-m326-vh8h?

GHSA-h8wm-m326-vh8h is a security advisory published by GitHub Security Advisories with Critical severity. JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in...

Which CVE IDs does GHSA-h8wm-m326-vh8h cover?

GHSA-h8wm-m326-vh8h covers the following CVE IDs: CVE-2026-16392. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h8wm-m326-vh8h?

GHSA-h8wm-m326-vh8h has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-h8wm-m326-vh8hCriticalCVSS 9.1

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in...

Vendor

GitHub Security Advisories

Published

July 21, 2026

Last Modified

July 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-16392 →

📋 Description

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-16392
https://bugzilla.mozilla.org/show_bug.cgi?id=2044606
https://www.mozilla.org/security/advisories/mfsa2026-68
https://www.mozilla.org/security/advisories/mfsa2026-71
https://github.com/advisories/GHSA-h8wm-m326-vh8h