Use after free in task scheduling in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
https://www.debian.org/security/2021/dsa-4824
https://security.gentoo.org/glsa/202101-30
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html