What is GHSA-q6r2-g5r7-2jfx?

GHSA-q6r2-g5r7-2jfx is a security advisory published by GitHub Security Advisories with High severity. Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker...

Which CVE IDs does GHSA-q6r2-g5r7-2jfx cover?

GHSA-q6r2-g5r7-2jfx covers the following CVE IDs: CVE-2026-87639. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q6r2-g5r7-2jfx?

GHSA-q6r2-g5r7-2jfx has a CVSS v3 base score of 8.3, published by GitHub Security Advisories.

GHSA-q6r2-g5r7-2jfxHighCVSS 8.3

Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-87639 →

📋 Description

Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-87639
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/544415098
https://github.com/advisories/GHSA-q6r2-g5r7-2jfx