Race condition in Google Chromium - CVE-2025-13721

Vulnerability identifier: #VU119050

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-13721

CWE-ID: CWE-362

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a race condition in v8 in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and bypass implemented security restrictions.

Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Debian Linux
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 143.0.7499.40
Microsoft Edge - update to 143.0.3650.66
Google Chrome - update to 143.0.7499.40
chromium (Debian package) - addressed in versions 143.0.7499.40-1~deb12u1, 143.0.7499.40-1~deb13u1
Prisma Access Browser - update to 143.37.2.193

• https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html
• https://crbug.com/355120682

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Multiple vulnerabilities in Prisma Access Browser