What is GHSA-x9gx-8m8x-g5mg?

GHSA-x9gx-8m8x-g5mg is a security advisory published by GitHub Security Advisories with Critical severity. Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152.

Which CVE IDs does GHSA-x9gx-8m8x-g5mg cover?

GHSA-x9gx-8m8x-g5mg covers the following CVE IDs: CVE-2026-12293. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-x9gx-8m8x-g5mg?

GHSA-x9gx-8m8x-g5mg has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-x9gx-8m8x-g5mgCriticalCVSS 9.8

Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152.

Vendor

GitHub Security Advisories

Published

June 16, 2026

Last Modified

June 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-12293 →

📋 Description

Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-12293
https://bugzilla.mozilla.org/show_bug.cgi?id=2039568
https://www.mozilla.org/security/advisories/mfsa2026-57
https://www.mozilla.org/security/advisories/mfsa2026-60
https://github.com/advisories/GHSA-x9gx-8m8x-g5mg