Use after free in Extensions in Google Chrome prior to 91.0.4472.101 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.
chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html
crbug.com/1201031
lists.fedoraproject.org/archives/list/[email protected]/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
lists.fedoraproject.org/archives/list/[email protected]/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
security.gentoo.org/glsa/202107-06