What is GHSA-jqm6-q6j2-85mx?

GHSA-jqm6-q6j2-85mx is a security advisory published by GitHub Security Advisories with Critical severity. Sandbox escape due to use-after-free in the Networking component. This vulnerability was fixed in...

Which CVE IDs does GHSA-jqm6-q6j2-85mx cover?

GHSA-jqm6-q6j2-85mx covers the following CVE IDs: CVE-2026-109707. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jqm6-q6j2-85mx?

GHSA-jqm6-q6j2-85mx has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-jqm6-q6j2-85mxCriticalCVSS 9.6

Sandbox escape due to use-after-free in the Networking component. This vulnerability was fixed in...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-109707 →

📋 Description

Sandbox escape due to use-after-free in the Networking component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-109707
https://bugzilla.mozilla.org/show_bug.cgi?id=2059150
https://www.mozilla.org/security/advisories/mfsa2026-106
https://www.mozilla.org/security/advisories/mfsa2026-108
https://www.mozilla.org/security/advisories/mfsa2026-109
https://www.mozilla.org/security/advisories/mfsa2026-110
https://github.com/advisories/GHSA-jqm6-q6j2-85mx