What is GHSA-74vh-4vjm-8m3m?

GHSA-74vh-4vjm-8m3m is a security advisory published by GitHub Security Advisories with High severity. Use after free in Source in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to...

Which CVE IDs does GHSA-74vh-4vjm-8m3m cover?

GHSA-74vh-4vjm-8m3m covers the following CVE IDs: CVE-2026-121238. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-74vh-4vjm-8m3m?

GHSA-74vh-4vjm-8m3m has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-74vh-4vjm-8m3mHighCVSS 8.8

Use after free in Source in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121238 →

📋 Description

Use after free in Source in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121238
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/569659190
https://github.com/advisories/GHSA-74vh-4vjm-8m3m