x11-misc/
wmctrl

Command line tool to interact with an EWMH/NetWM compatible X Window Manager

http://tripie.sweb.cz/utils/wmctrl/

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.