What is GHSA-fgh2-xv6h-w6w3?

GHSA-fgh2-xv6h-w6w3 is a security advisory published by GitHub Security Advisories with High severity. Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker...

Which CVE IDs does GHSA-fgh2-xv6h-w6w3 cover?

GHSA-fgh2-xv6h-w6w3 covers the following CVE IDs: CVE-2026-121217. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fgh2-xv6h-w6w3?

GHSA-fgh2-xv6h-w6w3 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-fgh2-xv6h-w6w3HighCVSS 7.5

Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121217 →

📋 Description

Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121217
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/500600456
https://github.com/advisories/GHSA-fgh2-xv6h-w6w3