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Google Thursday released an emergency patch for Chrome 107 to address the actively exploited zero-day vulnerability CVE-2022-3723.

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

The CVE-2022-3723 flaw is a type confusion issue that resides in the Chrome V8 Javascript engine.

The flaw has been reported by Jan Vojtěšek, Milánek, and Przemek Gmerek of Avast on October 25, 2022.

“Google is aware of reports that an exploit for CVE-2022-3723 exists in the wild,” reads the advisory published by Google.Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed.

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 and associated with the Candiru‘s surveillance activity.

Follow me on Twitter: @securityaffairs and Facebook

Pierluigi Paganini

(SecurityAffairs – hacking, Log4Shell)






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