What is GHSA-ggqh-jgm2-3w29?

GHSA-ggqh-jgm2-3w29 is a security advisory published by GitHub Security Advisories with High severity. Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox...

Which CVE IDs does GHSA-ggqh-jgm2-3w29 cover?

GHSA-ggqh-jgm2-3w29 covers the following CVE IDs: CVE-2026-8390. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-ggqh-jgm2-3w29?

GHSA-ggqh-jgm2-3w29 has a CVSS v3 base score of 7.3, published by GitHub Security Advisories.

GHSA-ggqh-jgm2-3w29HighCVSS 7.3

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

Vendor

GitHub Security Advisories

Published

May 12, 2026

Last Modified

June 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-8390 →

📋 Description

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-8390
https://bugzilla.mozilla.org/show_bug.cgi?id=2038081
https://www.mozilla.org/security/advisories/mfsa2026-45
https://access.redhat.com/security/cve/CVE-2026-8390
https://bugzilla.redhat.com/show_bug.cgi?id=2476474
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8390.json
https://github.com/advisories/GHSA-ggqh-jgm2-3w29