Use after free in IndexedDB in Google Chrome prior to 77.0.3865.120 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-5113
https://chromereleases.googleblog.com/2019/10/stable-channel-update-for-desktop.html