What is GHSA-c7jh-hgv7-r6m2?

GHSA-c7jh-hgv7-r6m2 is a security advisory published by GitHub Security Advisories with High severity. Heap buffer overflow in WebCodecs in Google Chrome prior to 148.0.7778.216 allowed a remote...

Which CVE IDs does GHSA-c7jh-hgv7-r6m2 cover?

GHSA-c7jh-hgv7-r6m2 covers the following CVE IDs: CVE-2026-9939. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c7jh-hgv7-r6m2?

GHSA-c7jh-hgv7-r6m2 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-c7jh-hgv7-r6m2HighCVSS 8.8

Heap buffer overflow in WebCodecs in Google Chrome prior to 148.0.7778.216 allowed a remote...

Vendor

GitHub Security Advisories

Published

May 29, 2026

Last Modified

May 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-9939 →

📋 Description

Heap buffer overflow in WebCodecs in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-9939
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
https://issues.chromium.org/issues/502735235
https://github.com/advisories/GHSA-c7jh-hgv7-r6m2