What is GHSA-9474-jh72-xhvr?

GHSA-9474-jh72-xhvr is a security advisory published by GitHub Security Advisories with Critical severity. Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to...

Which CVE IDs does GHSA-9474-jh72-xhvr cover?

GHSA-9474-jh72-xhvr covers the following CVE IDs: CVE-2026-17947. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9474-jh72-xhvr?

GHSA-9474-jh72-xhvr has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-9474-jh72-xhvrCriticalCVSS 9.6

Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to...

Vendor

GitHub Security Advisories

Published

July 30, 2026

Last Modified

July 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-17947 →

📋 Description

Use after free in WebSockets in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-17947
https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
https://issues.chromium.org/issues/515438256
https://github.com/advisories/GHSA-9474-jh72-xhvr