Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective
https://blog.google/threat-analysis-group/how-we-protect-users-0-day-attacks/
https://www.debian.org/security/2021/dsa-4886
https://security.gentoo.org/glsa/202104-08
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html