Use-after-free in WebAudio in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
https://access.redhat.com/errata/RHSA-2019:4238
https://chromereleases.googleblog.com/2019/12/stable-channel-update-for-desktop.html
https://seclists.org/bugtraq/2020/Jan/27