What is GHSA-8gpq-5x64-h429?

GHSA-8gpq-5x64-h429 is a security advisory published by GitHub Security Advisories with High severity. Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox...

Which CVE IDs does GHSA-8gpq-5x64-h429 cover?

GHSA-8gpq-5x64-h429 covers the following CVE IDs: CVE-2026-92021. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8gpq-5x64-h429?

GHSA-8gpq-5x64-h429 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-8gpq-5x64-h429HighCVSS 8.8

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-92021 →

📋 Description

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 140.16.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-92021
https://bugzilla.mozilla.org/show_bug.cgi?id=2067208
https://www.mozilla.org/security/advisories/mfsa2026-92
https://www.mozilla.org/security/advisories/mfsa2026-95
https://github.com/advisories/GHSA-8gpq-5x64-h429