What is GHSA-c56c-9mx2-f6vg?

GHSA-c56c-9mx2-f6vg is a security advisory published by GitHub Security Advisories with High severity. Use after free in Chromecast in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to...

Which CVE IDs does GHSA-c56c-9mx2-f6vg cover?

GHSA-c56c-9mx2-f6vg covers the following CVE IDs: CVE-2026-113240. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c56c-9mx2-f6vg?

GHSA-c56c-9mx2-f6vg has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-c56c-9mx2-f6vgHighCVSS 8.8

Use after free in Chromecast in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to...

Vendor

GitHub Security Advisories

Published

October 21, 2026

Last Modified

October 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-113240 →

📋 Description

Use after free in Chromecast in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-113240
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html
https://issues.chromium.org/issues/497577345
https://github.com/advisories/GHSA-c56c-9mx2-f6vg