Out of bounds write in TabStrip in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory write via a crafted HTML page.
chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
crbug.com/1198717
lists.fedoraproject.org/archives/list/[email protected]/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
lists.fedoraproject.org/archives/list/[email protected]/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
security.gentoo.org/glsa/202107-06