Use-after-free in Google Chromium - CVE-2025-12438

Vulnerability identifier: #VU117824

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-12438

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 Ozone in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.

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

Install update from vendor's website.

Google Chromium - update to 142.0.7444.59
Microsoft Edge - update to 142.0.3595.53
Google Chrome - update to 142.0.7444.59
cef - addressed in versions 142.0.10^chromium142.0.7444.162-2.fc42, 142.0.10^chromium142.0.7444.162-2.fc43
chromium - addressed in versions 142.0.7444.59-1.el9, 142.0.7444.59-1.el10_2, 142.0.7444.59-1.fc41, 142.0.7444.59-1.fc42, 142.0.7444.59-1.fc43
Chrome OS - update to 142.0.7444.147
Prisma Access Browser - update to 142.15.6.60
www-client/vivaldi - update to 7.7.3851.48
www-client/opera - update to 126.0.5744.0
www-client/microsoft-edge - update to 142.0.3595.53
www-client/google-chrome - update to 142.0.7444.59
www-client/chromium - update to 142.0.7444.134
chromium (Debian package) - addressed in versions 142.0.7444.59-1~deb12u1, 142.0.7444.59-1~deb13u1

• https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html
• https://crbug.com/433027577

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora 42 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora 41 update for chromium
• Fedora 43 update for chromium
• Multiple vulnerabilities in Google ChromeOS
• Multiple vulnerabilities in Prisma Access Browser
• Fedora 42 update for cef
• Fedora 43 update for cef
• Gentoo update for Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi