What is GHSA-78q4-c4hp-5cq9?

GHSA-78q4-c4hp-5cq9 is a security advisory published by GitHub Security Advisories with Medium severity. Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154...

Which CVE IDs does GHSA-78q4-c4hp-5cq9 cover?

GHSA-78q4-c4hp-5cq9 covers the following CVE IDs: CVE-2026-74984. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-78q4-c4hp-5cq9?

GHSA-78q4-c4hp-5cq9 has a CVSS v3 base score of 6.8, published by GitHub Security Advisories.

GHSA-78q4-c4hp-5cq9MediumCVSS 6.8

Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154...

Vendor

GitHub Security Advisories

Published

August 18, 2026

Last Modified

August 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-74984 →

📋 Description

Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-74984
https://bugzilla.mozilla.org/show_bug.cgi?id=2053670
https://www.mozilla.org/security/advisories/mfsa2026-74
https://www.mozilla.org/security/advisories/mfsa2026-77
https://www.mozilla.org/security/advisories/mfsa2026-78
https://www.mozilla.org/security/advisories/mfsa2026-80
https://github.com/advisories/GHSA-78q4-c4hp-5cq9