Insufficient policy enforcement in media in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
https://www.debian.org/security/2021/dsa-4824
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.html