What is GHSA-qh6r-h4hf-pr8w?

GHSA-qh6r-h4hf-pr8w is a security advisory published by GitHub Security Advisories with High severity. JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in...

Which CVE IDs does GHSA-qh6r-h4hf-pr8w cover?

GHSA-qh6r-h4hf-pr8w covers the following CVE IDs: CVE-2026-8389. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qh6r-h4hf-pr8w?

GHSA-qh6r-h4hf-pr8w has a CVSS v3 base score of 7.3, published by GitHub Security Advisories.

GHSA-qh6r-h4hf-pr8wHighCVSS 7.3

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

Vendor

GitHub Security Advisories

Published

May 12, 2026

Last Modified

June 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-8389 →

📋 Description

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-8389
https://bugzilla.mozilla.org/show_bug.cgi?id=2036983
https://www.mozilla.org/security/advisories/mfsa2026-45
https://github.com/crixpwn/CVE-2026-8389
https://github.com/advisories/GHSA-qh6r-h4hf-pr8w