What is GHSA-87f6-jhv3-g9qc?

GHSA-87f6-jhv3-g9qc is a security advisory published by GitHub Security Advisories with Medium severity. Use-after-free in the XSLT component. This vulnerability was fixed in Firefox 159 and Firefox ESR...

Which CVE IDs does GHSA-87f6-jhv3-g9qc cover?

GHSA-87f6-jhv3-g9qc covers the following CVE IDs: CVE-2026-117916. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-87f6-jhv3-g9qc?

GHSA-87f6-jhv3-g9qc has a CVSS v3 base score of 6.3, published by GitHub Security Advisories.

GHSA-87f6-jhv3-g9qcMediumCVSS 6.3

Use-after-free in the XSLT component. This vulnerability was fixed in Firefox 159 and Firefox ESR...

Vendor

GitHub Security Advisories

Published

October 27, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-117916 →

📋 Description

Use-after-free in the XSLT component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-117916
https://bugzilla.mozilla.org/show_bug.cgi?id=2079257
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-87f6-jhv3-g9qc