What is GHSA-q8x9-c3xr-45r5?

GHSA-q8x9-c3xr-45r5 is a security advisory published by GitHub Security Advisories with High severity. Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0...

Which CVE IDs does GHSA-q8x9-c3xr-45r5 cover?

GHSA-q8x9-c3xr-45r5 covers the following CVE IDs: CVE-2026-9123. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q8x9-c3xr-45r5?

GHSA-q8x9-c3xr-45r5 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-q8x9-c3xr-45r5HighCVSS 7.5

Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0...

Vendor

GitHub Security Advisories

Published

May 20, 2026

Last Modified

May 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-9123 →

📋 Description

Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-9123
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html
https://issues.chromium.org/issues/495988507
https://github.com/advisories/GHSA-q8x9-c3xr-45r5