What is GHSA-q9p7-4943-m5gr?

GHSA-q9p7-4943-m5gr is a security advisory published by GitHub Security Advisories with High severity. Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was...

Which CVE IDs does GHSA-q9p7-4943-m5gr cover?

GHSA-q9p7-4943-m5gr covers the following CVE IDs: CVE-2026-8946. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q9p7-4943-m5gr?

GHSA-q9p7-4943-m5gr has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-q9p7-4943-m5grHighCVSS 7.5

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was...

Vendor

GitHub Security Advisories

Published

May 19, 2026

Last Modified

May 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-8946 →

📋 Description

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11.

🔗 References (8)

https://nvd.nist.gov/vuln/detail/CVE-2026-8946
https://bugzilla.mozilla.org/show_bug.cgi?id=2029070
https://www.mozilla.org/security/advisories/mfsa2026-46
https://www.mozilla.org/security/advisories/mfsa2026-47
https://www.mozilla.org/security/advisories/mfsa2026-48
https://www.mozilla.org/security/advisories/mfsa2026-50
https://www.mozilla.org/security/advisories/mfsa2026-51
https://github.com/advisories/GHSA-q9p7-4943-m5gr