gnome-extra/
cinnamon-control-center

Cinnamons's main interface to configure various aspects of the desktop

https://projects.linuxmint.com/cinnamon/

There are no open security bugs.

You think something is missing here?
Start with filling a new security bug.

Please file new vulnerability reports on Gentoo Bugzilla and assign them to the Gentoo Security product and Vulnerabilities component.