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. High CVE-2021-30604: Use after free in ANGLE.Which means that you shouldn’t play the waiting game, but instead go check that your browser has, indeed, been updated. Reported by Sergei Glazunov of Google Project Zero on Reported by Marcin Towalski of Cisco Talos on High CVE-2021-30602: Use after free in WebRTC. High CVE-2021-30601: Use after free in Extensions API. Reported by Leecraso and Guang Gong of 360 Alpha Lab on High CVE-2021-30600: Use after free in Printing. Please see the Chrome Security Page for more information. Below, we highlight fixes that were contributed by external researchers. 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. Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix.
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