Use-after-free in Google Chromium - CVE-2026-12029

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU134404

Use-after-free in Google Chromium - CVE-2026-12029

Published: June 12, 2026


Vulnerability identifier: #VU134404
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-12029
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Video 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.


Affected software

Google Chromium
Google Chrome
Debian Linux
Fedora
chromium
chromium (Debian package)

How to mitigate CVE-2026-12029

Install update from vendor's website.

Google Chromium - update to 149.0.7827.114
Google Chrome - update to 149.0.7827.114
chromium - addressed in versions 149.0.7827.114-1.el9, 149.0.7827.114-1.el10_2, 149.0.7827.114-1.el10_3, 149.0.7827.114-1.fc43, 149.0.7827.114-1.fc44
chromium (Debian package) - addressed in versions 149.0.7827.114-1~deb12u1, 149.0.7827.114-1~deb13u1

External References

Related Security Bulletins