Insufficient data validation in Mojo in Google Chrome prior to 96.0.4664.110 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-33983
https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html