Google fixed the first Chrome zero-day of 2023

Google released an emergency security update to address a zero-day vulnerability in Chrome which is actively exploited in the wild.

Google released an emergency security update to address the first Chrome zero-day vulnerability (CVE-2023-2033) in 2023, the company is aware of attacks in the wild exploiting the issue.

The vulnerability is a Type Confusion issue that resides in the JavaScript engine V8. The vulnerability was reported by Clément Lecigne of Google’s Threat Analysis Group on 2023-04-11.

“Type Confusion in V8. Reported by Clément Lecigne of Google’s Threat Analysis Group on 2023-04-11” reads the advisory published by Google. “Google is aware that an exploit for CVE-2023-2033 exists in the wild.”

The company is rolling out the new version in the Stable Desktop channel, this means that it will be available to the entire user base over the coming days or weeks.

“The Stable and extended stable channel has been updated to 112.0.5615.121 for Windows Mac and Linux  which will roll out over the coming days/weeks.” continues the advisory

Google did not disclose details of the attacks exploiting this vulnerability, it will not provide bug details and links until a majority of users will have updated their installs.

“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.” concludes the advisory.

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Pierluigi Paganini

(SecurityAffairs – hacking, Chrome)