What is GHSA-mxh3-cm3f-758r?

GHSA-mxh3-cm3f-758r is a security advisory published by GitHub Security Advisories with unknown severity. Improper resource control in WebCodecs in Google Chrome prior to 157.0.8103.38 allowed a remote...

Which CVE IDs does GHSA-mxh3-cm3f-758r cover?

GHSA-mxh3-cm3f-758r covers the following CVE IDs: CVE-2026-121170. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-mxh3-cm3f-758runknown

Improper resource control in WebCodecs in Google Chrome prior to 157.0.8103.38 allowed a remote...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-121170 →

📋 Description

Improper resource control in WebCodecs in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121170
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/553309390
https://github.com/advisories/GHSA-mxh3-cm3f-758r