What is GHSA-ww9p-5q3r-4q4m?

GHSA-ww9p-5q3r-4q4m is a security advisory published by GitHub Security Advisories with Medium severity. Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox...

Which CVE IDs does GHSA-ww9p-5q3r-4q4m cover?

GHSA-ww9p-5q3r-4q4m covers the following CVE IDs: CVE-2026-109749. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-ww9p-5q3r-4q4m?

GHSA-ww9p-5q3r-4q4m has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-ww9p-5q3r-4q4mMediumCVSS 5.4

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

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-109749 →

📋 Description

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-109749
https://bugzilla.mozilla.org/show_bug.cgi?id=2067174
https://www.mozilla.org/security/advisories/mfsa2026-106
https://www.mozilla.org/security/advisories/mfsa2026-109
https://github.com/advisories/GHSA-ww9p-5q3r-4q4m