Out of bounds read in WebGL in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1123
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