On 4th February 2021, Google released an update to fix a critical heap buffer overflow vulnerability (CVE-2021-21148) in the Chrome browser. It has been fixed in Chrome version 88.0.4324.150 for Windows, Mac, and Linux OS. The vulnerability was found in Google’s open-source JavaScript and WebAssembly engine called V8. Successful exploitation of this vulnerability could lead to arbitrary code execution on a target system., On 4 th February 2021, Google released an update to fix a critical heap buffer overflow vulnerability (CVE-2021-21148) in the Chrome browser. It has been fixed in Chrome version 88.0.4324.150 for Windows, Mac, and Linux OS. The vulnerability was found in Google’s open-source JavaScript and WebAssembly engine called V8., CVE-2021-21148 is a heap buffer overflow vulnerability in V8, Google Chrome’s open-source JavaScript and WebAssembly engine. Its discovery is credited to Mattias Buelens, who reported the flaw to Google on January 24..