Use-after-free in Google Chromium - CVE-2025-3066

 

Use-after-free in Google Chromium - CVE-2025-3066

Published: April 1, 2025 / Updated: April 8, 2025


Vulnerability identifier: #VU106366
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-2025-3066
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 Site isolation 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
Microsoft Edge
Google Chrome
Prisma Access Browser
Debian Linux
Fedora
Chrome OS
chromium
chromium (Debian package)

How to mitigate CVE-2025-3066

Install update from vendor's website.

Google Chromium - update to 135.0.7049.84
Microsoft Edge - update to 135.0.3179.54
Google Chrome - update to 135.0.7049.84
chromium - addressed in versions 135.0.7049.52-1.fc41, 135.0.7049.52-2.el9, 135.0.7049.52-2.el10_1, 135.0.7049.52-2.fc40, 135.0.7049.52-2.fc42, 135.0.7049.84-1.el9, 135.0.7049.84-1.el10_1, 135.0.7049.84-1.fc40, 135.0.7049.84-1.fc41, 135.0.7049.84-1.fc42
chromium (Debian package) - addressed in versions 135.0.7049.52-1~deb12u1, 135.0.7049.84-1~deb12u1
Chrome OS - update to 135.0.7049.104
Prisma Access Browser - update to 136.11.9.93

External References

Related Security Bulletins