CVE-2025-12446: 
vulnerability analysis and mitigation

CVE-2025-12446 is a security vulnerability discovered in Google Chrome's SplitView feature affecting versions prior to 142.0.7444.59. The vulnerability was reported by Hafiizh on September 14, 2025, and was assigned a Low severity rating by the Chromium security team (Chrome Release).

The vulnerability involves an incorrect security UI implementation in Chrome's SplitView feature that could allow UI spoofing attacks. The issue requires specific UI gestures from the user and can be exploited through a crafted domain name. The vulnerability has been assigned a CVSS score of 4.2 (Medium), with attack vectors including network-based attacks requiring user interaction (Ubuntu CVE).

If successfully exploited, this vulnerability could enable an attacker to perform UI spoofing attacks via a crafted domain name, potentially misleading users about the authenticity of websites they are visiting. The impact is considered Low according to Chromium's security assessment, with potential effects on confidentiality and availability (Palo Alto).

The vulnerability has been patched in Chrome version 142.0.7444.59 and later releases. Users are advised to update their Chrome browsers to the latest version to mitigate this security risk. The fix has been incorporated into various distributions including Debian, Ubuntu, and other Chrome-based browsers (Chrome Release, Debian Security).