CVE-2022-3723: 
vulnerability analysis and mitigation

A type confusion vulnerability in Google Chrome's V8 JavaScript engine (CVE-2022-3723) was discovered prior to version 107.0.5304.87. The vulnerability was reported by Jan Vojtěšek, Milánek, and Przemek Gmerek of Avast on October 25, 2022, and was officially disclosed on October 27, 2022. This high-severity flaw affected Chrome browsers across Windows, Mac, and Linux platforms (Chrome Releases, NVD).

The vulnerability is classified as a type confusion flaw specifically affecting the V8 JavaScript engine in Google Chrome. This represents the third actively exploited type confusion bug in V8 during 2022, following CVE-2022-1096 and CVE-2022-1364. The vulnerability could potentially be exploited through heap corruption when a user visits a specially crafted HTML page (Hacker News).

The vulnerability allows remote attackers to potentially exploit heap corruption through specially crafted HTML pages, which could lead to code execution on affected systems. Google confirmed the severity of this vulnerability as 'High' and acknowledged that an exploit exists in the wild (Chrome Releases).

Google released patches to address this vulnerability in Chrome version 107.0.5304.87 for Mac and Linux, and 107.0.5304.87/.88 for Windows. Users of Chrome and Chromium-based browsers such as Microsoft Edge, Brave, Opera, and Vivaldi are advised to update their browsers to the latest version immediately (Chrome Releases).