chromium is vulnerable to use after free. A remote attacker is able to potentially exploit heap corruption via a crafted HTML page.
chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html
crbug.com/1167357
lists.fedoraproject.org/archives/list/[email protected]/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/
security-tracker.debian.org/tracker/CVE-2021-21191
security.gentoo.org/glsa/202104-08
www.debian.org/security/2021/dsa-4886