chromium is vulnerable to Navigation Restriction Bypass. Inappropriate implementation in iframe sandbox in Google Chrome allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.
lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html
lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html
chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html
crbug.com/1074340
lists.fedoraproject.org/archives/list/[email protected]/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
lists.fedoraproject.org/archives/list/[email protected]/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/
security-tracker.debian.org/tracker/CVE-2020-6526
security.gentoo.org/glsa/202007-08
security.gentoo.org/glsa/202101-30
www.debian.org/security/2021/dsa-4824