Google Patches Zero-Day Vulnerability in Chrome

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Let's delve into the recent security update from Google that addresses a high-severity zero-day vulnerability in the Chrome browser:


 What Happened?

Google recently released an update for its Chrome browser to fix a critical zero-day vulnerability. This vulnerability allowed attackers to execute malicious code on end-user devices. The issue, tracked as CVE-2024-4671, falls into the category of "use-after-free" bugs—a type of memory-related vulnerability that occurs in C-based programming languages.


What Is a "Use-After-Free" Bug?

In C-based languages, developers allocate memory space for running applications or operations using pointers. These pointers store memory addresses where data resides. Proper memory management involves deallocating memory once it's no longer needed. However, use-after-free bugs occur when an app or process fails to clear a pointer after freeing the memory location. In some cases, the pointer is reused and points to a new memory location containing malicious shellcode planted by an attacker. This results in the execution of the attacker's code.


 Google's Response

An anonymous source notified Google of this vulnerability, which carries a severity rating of 8.8 out of 10. Google promptly released versions 124.0.6367.201/.202 for macOS and Windows, as well as 124.0.6367.201 for Linux. The company also confirmed that an exploit for CVE-2024-4671 exists in the wild.


 Chrome's Automatic Updates

Chrome automatically updates when new releases become available. Users can manually check their version by going to Settings > About Chrome. If needed, they can click the Relaunch button to ensure they're running the latest version.


In summary, Google remains vigilant in addressing security vulnerabilities, protecting users from potential exploits. Keep your Chrome browser up to date to stay secure! 🌐🔒

[Learn more](https://arstechnica.com/security/2024/05/google-patches-its-fifth-zero-day-vulnerability-of-the-ye

ar-in-chrome/) ¹.


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