September 27, 2023

Google has released an emergency update for the Chrome 107 to address an actively exploited zero-day vulnerability tracked as CVE-2022-3723.

The identified flaw is a type confusion issue that resides in the Chrome V8 Javascript engine that was rported by Jan Vojtěšek, Milánek, and Przemek Gmerek of Avast on October 25, 2022.

This is the seventh Chrome zero-day fixed by Google this year, below is the full list:

  • CVE-2022-3075 (September 2) – Insufficient data validating in the Mojo collection of runtime libraries.
  • CVE-2022-2856 (August 17) – Insufficient validation of untrusted input in Intents
  • CVE-2022-2294 (July 4) – Heap buffer overflow in the Web Real-Time Communications (WebRTC) component
  • CVE-2022-1364 (April 14) –  type confusion issue that resides in the V8 JavaScript engine
  • CVE-2022-1096 – (March 25) – type Confusion in V8 JavaScript engine
  • CVE-2022-0609 – (February 14) – use after free issue that resides in the Animation component.

Google did not disclose details about the attack and did not attribute them to a specific threat actor.


At this time is is unclear if the attacks exploiting the CVE-2022-3723 flaws are part of the operation detailed by Avast.

Users are recommended to upgrade to version 107.0.5304.87 for macOS and Linux and 107.0.5304.87/.88 for Windows to mitigate potential threats.

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