This week, Google patched a high-severity zero-day vulnerability (CVE-2024-0519) actively exploited in Chrome. This memory corruption bug involves out-of-bounds memory access in Chrome's V8 JavaScript engine. Exploitation can lead to unauthorized memory access, system crashes, data modification, or malicious code injection. 

For those unaware, V8 stands as an open-source JavaScript and WebAssembly engine, crafted by the Chromium Project for Chromium and Google Chrome web browsers. CVE-2024-0519 could allow a remote attacker to exploit heap corruption through a carefully crafted HTML page.  

The Chrome team acknowledges reports confirming the existence of an exploit for CVE-2024-0519 in the wild. However, access to technical details for the vulnerability are kept restricted until “a majority of users are updated with a fix.” 

Because Microsoft Edge is built on Chromium, Microsoft is currently working on a security patch for it. They want to point out that Microsoft Edge has an enhanced security mode that helps deal with this vulnerability. If you enable this security feature, you can be confident that Microsoft Edge will protect you from CVE-2024-0519. 



avertium's recommendationS

  • Google Chrome has patched CVE-2024-0519, as addressed in their advisory. If you have set your browser to update automatically then you don’t need to do anything 
  • If you do not receive automatic updates and patch manually, you should apply the patch as soon as possible. To update Chrome:  
    • Open Chrome 
    • Top right > More  
    • Click Help > About Google Chrome 
    • Click Update Google Chrome (Can’t find this button? It means you are on the latest version)  
    • Click Relaunch 
  • Find patch guidance for Microsoft Edge in their advisory 




At this time, there are no known IoCs associated with CVE-2024-0519. Avertium remains vigilant in locating IoCs for our customers. Should any be located, Avertium will disclose them as soon as possible. For more information on how Avertium can help protect your organization, please reach out to your Avertium Service Delivery Manager or Account Executive.   



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Chrome Releases: Stable Channel Update for Desktop (googleblog.com) 

Release notes for Microsoft Edge Security Updates | Microsoft Learn 

Google Chrome Zero-Day Bug Under Attack, Allows Code Injection (darkreading.com) 

Google Addresses First Actively Exploited Chrome Zero-Day Vulnerability of 2024 - VULNERA 

NVD - CVE-2024-0519 (nist.gov) 

Google fixes actively exploited Chrome zero-day (CVE-2024-0519) - Help Net Security 


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