Use after free in WebAuthentication in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption via a crafted HTML page.
https://security.gentoo.org/glsa/202107-06
https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
http://packetstormsecurity.com/files/172844/Chrome-Sandbox-Escape.html