What is GHSA-2543-qv62-jgqp?

GHSA-2543-qv62-jgqp is a security advisory published by GitHub Security Advisories with Medium severity. JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 157.

Which CVE IDs does GHSA-2543-qv62-jgqp cover?

GHSA-2543-qv62-jgqp covers the following CVE IDs: CVE-2026-100793. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2543-qv62-jgqp?

GHSA-2543-qv62-jgqp has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-2543-qv62-jgqpMediumCVSS 6.5

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 157.

Vendor

GitHub Security Advisories

Published

September 29, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-100793 →

📋 Description

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 157.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-100793
https://bugzilla.mozilla.org/show_bug.cgi?id=2073268
https://www.mozilla.org/security/advisories/mfsa2026-97
https://www.mozilla.org/security/advisories/mfsa2026-101
https://github.com/advisories/GHSA-2543-qv62-jgqp