chromium is vulnerable to sandbox restrictions bypass. A heap-based buffer overflow in UI allows a remote attacker, who has compromised the renderer process, to perform a sandbox escape via a malicious HTML page.
lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.html
packetstormsecurity.com/files/159975/Chrome-ConvertToJavaBitmap-Heap-Buffer-Overflow.html
chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop.html
crbug.com/1144489
security-tracker.debian.org/tracker/CVE-2020-16011
www.debian.org/security/2021/dsa-4824