Improperly implemented security check for standard in Google Chromium - CVE-2025-11209

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Main Vulnerability Database Vulnerabilities #VU116432

Improperly implemented security check for standard in Google Chromium - CVE-2025-11209

Published: September 30, 2025 / Updated: October 3, 2025


Vulnerability identifier: #VU116432
CSH Severity: High
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-11209
CWE-ID: CWE-358
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Omnibox in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


Affected software

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

How to mitigate CVE-2025-11209

Install update from vendor's website.

Google Chromium - update to 141.0.7390.54
Microsoft Edge - update to 141.0.3537.57
Google Chrome - update to 141.0.7390.54
cef - addressed in versions 141.0.11^chromium141.0.7390.122-1.fc42, 141.0.11^chromium141.0.7390.122-1.fc43
chromium - addressed in versions 141.0.7390.54-1.el9, 141.0.7390.54-1.el10_2, 141.0.7390.54-1.fc41, 141.0.7390.54-1.fc42, 141.0.7390.54-1.fc43
www-client/opera - update to 122.0.5643.142
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
chromium (Debian package) - addressed in versions 141.0.7390.54-1~deb12u1, 141.0.7390.54-1~deb13u1

External References

Related Security Bulletins