“Users are strongly advised to promptly update their browsers to mitigate any potential risks,” Walters concludes. However, due to flaws in the implementation of type checking mechanisms, a malicious actor can deceive the JavaScript engine into treating a variable as a different type than it actually is.” The end result being that it’s possible for a malicious actor to potentially execute arbitrary code. This is because objects within the V8 engine are, Walters explains, “assigned types based on their underlying data type. “Type Confusion vulnerabilities pose a significant risk,” Walters says, “enabling attackers to execute arbitrary code on targeted machines by exploiting weaknesses in memory object handling.” It poses a significant risk, according to Mike Walters, vice-president of vulnerability and threat research at risk-based patch management specialists Action. CVE-2023-3079 poses a significant risk to users, expert saysĬVE-2023-3079 is the third zero-day of 2023 for Google Chrome. This latter point is crucial for those of you who tend to run with dozens of tabs open and rarely close the browser at all. However, to activate the update, you must restart the browser.

The very act of going to check on your Chrome version number will kickstart a download and installation of the security update if it has reached you already. Which means that you shouldn’t play the waiting game, but instead go check that your browser has, indeed, been updated.

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