Out of bounds read in Tab Groups in Google Chrome prior to 90.0.4430.212 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted HTML page.
chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop.html
crbug.com/1197875
lists.fedoraproject.org/archives/list/[email protected]/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
lists.fedoraproject.org/archives/list/[email protected]/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
security.gentoo.org/glsa/202107-06