Zero-day vulnerability in Google Chrome

Use-after-free
CVE-2021-37973

Vulnerability details

Advisory: SB2021092428 - Remote code execution in Google Chrome

Vulnerable component: Google Chrome

CVE-ID: CVE-2021-37973

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-416 - Use After Free

Description:

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content within the Portals component in Google Chrome. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

External links:

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html