Use after free in WebUSB in Google Chrome prior to 84.0.4147.105 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/2020/07/stable-channel-update-for-desktop_27.html
http://packetstormsecurity.com/files/159610/Chrome-USB-OnServiceConnectionError-Use-After-Free.html