What is GHSA-mx8m-2338-6rh3?

GHSA-mx8m-2338-6rh3 is a security advisory published by GitHub Security Advisories with Medium severity. Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component....

Which CVE IDs does GHSA-mx8m-2338-6rh3 cover?

GHSA-mx8m-2338-6rh3 covers the following CVE IDs: CVE-2026-12303. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mx8m-2338-6rh3?

GHSA-mx8m-2338-6rh3 has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-mx8m-2338-6rh3MediumCVSS 4.3

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component....

Vendor

GitHub Security Advisories

Published

June 16, 2026

Last Modified

June 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-12303 →

📋 Description

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-12303
https://bugzilla.mozilla.org/show_bug.cgi?id=2034608
https://www.mozilla.org/security/advisories/mfsa2026-57
https://github.com/advisories/GHSA-mx8m-2338-6rh3