What is GHSA-2mgr-r2m3-95wp?

GHSA-2mgr-r2m3-95wp is a security advisory published by GitHub Security Advisories with High severity. Use-after-free in the DOM: Core \u0026 HTML component. This vulnerability was fixed in Firefox 159 and...

Which CVE IDs does GHSA-2mgr-r2m3-95wp cover?

GHSA-2mgr-r2m3-95wp covers the following CVE IDs: CVE-2026-117953. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-2mgr-r2m3-95wp?

GHSA-2mgr-r2m3-95wp has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-2mgr-r2m3-95wpHighCVSS 8.8

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159 and...

Vendor

GitHub Security Advisories

Published

October 27, 2026

Last Modified

November 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-117953 →

📋 Description

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-117953
https://bugzilla.mozilla.org/show_bug.cgi?id=2082199
https://www.mozilla.org/security/advisories/mfsa2026-118
https://www.mozilla.org/security/advisories/mfsa2026-120
https://www.mozilla.org/security/advisories/mfsa2026-121
https://www.mozilla.org/security/advisories/mfsa2026-122
https://github.com/advisories/GHSA-2mgr-r2m3-95wp