Use-after-free in Google Chromium - CVE-2025-9478

Vulnerability identifier: #VU114475

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-9478

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the ANGLE component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Gentoo Linux
Debian Linux
Fedora
www-client/opera
chromium
chromium (Debian package)
www-client/microsoft-edge
www-client/chromium
www-client/google-chrome

Install update from vendor's website.

Google Chromium - update to 139.0.7258.154
Microsoft Edge - update to 139.0.3405.125
Google Chrome - update to 139.0.7258.154
www-client/opera - update to 122.0.5643.142
chromium - addressed in versions 139.0.7258.154-1.el9, 139.0.7258.154-1.el10_2, 139.0.7258.154-1.fc41, 139.0.7258.154-1.fc42, 139.0.7258.154-1.fc43, 140.0.7339.80-1.el9, 140.0.7339.80-1.el10_2, 140.0.7339.80-1.fc41, 140.0.7339.80-1.fc42, 140.0.7339.80-1.fc43, 140.0.7339.127-1.el9, 140.0.7339.127-1.el10_2, 140.0.7339.127-1.fc41, 140.0.7339.127-1.fc42, 140.0.7339.127-1.fc43
chromium (Debian package) - addressed in versions 139.0.7258.154-1~deb12u1, 139.0.7258.154-1~deb13u1
www-client/microsoft-edge - update to 141.0.3537.71
www-client/chromium - update to 141.0.7390.107
www-client/google-chrome - update to 141.0.7390.107
Prisma Access Browser - update to 141.6.4.55

• https://chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop_26.html
• https://crbug.com/437825940

• Remote code execution in Google Chrome
• Debian update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora 41 update for chromium
• Fedora 42 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 43 update for chromium
• Remote code execution in Microsoft Edge
• Fedora 42 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 41 update for chromium
• Fedora 43 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora 42 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 43 update for chromium
• Fedora 41 update for chromium
• Multiple vulnerabilities in Prisma Access Browser
• Gentoo update for Chromium, Google Chrome, Microsoft Edge. Opera