Heap-based buffer overflow in Google Chrome - CVE-2021-21192

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the tab groups implementation in Google Chrome. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2021-21192

Sources

• https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html
• https://crbug.com/1181387