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High-Severity Zero-Day Bug in Google Chrome
26 March 2022
Google has released Chrome 99.0.4844.84 for Windows, Mac, Linux and Chrome 99.0.4844.88 for Android users to address a high-severity zero-day bug (CVE-2022-1096). The vulnerability is a Type Confusion in V8 JavaScript engine exploit, and is reported to exist in the wild. V8 is Chrome's component that is responsible for processing JavaScript code.
Type confusion refers to coding bugs during which an application initialises data execution operations using input of a specific "type" but is tricked into treating the input as a different "type". This leads to logical errors in the application's memory, which may allow an attacker to run unrestricted malicious codes inside an application.
No further technical details about the bug have been published by Google.
Google Chrome users on Windows, Mac and Linux are advised to upgrade to Chrome 99.0.4844.84 immediately by going into Chrome menu > Help > About Google Chrome, while Android users may refer to the Google Play Store for Chrome 99 (99.0.4844.88) version.
More information is available here:
https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_25.html
https://chromereleases.googleblog.com/2022/03/chrome-for-android-update_0187113043.html