What is GHSA-rc99-6qwq-f3vq?

GHSA-rc99-6qwq-f3vq is a security advisory published by GitHub Security Advisories with High severity. Buffer overflow in Media in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to...

Which CVE IDs does GHSA-rc99-6qwq-f3vq cover?

GHSA-rc99-6qwq-f3vq covers the following CVE IDs: CVE-2026-121047. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rc99-6qwq-f3vq?

GHSA-rc99-6qwq-f3vq has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-rc99-6qwq-f3vqHighCVSS 8.8

Buffer overflow in Media 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-2026-121047 →

📋 Description

Buffer overflow in Media 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: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121047
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/566251701
https://github.com/advisories/GHSA-rc99-6qwq-f3vq