Freedom Issue #330
virtualbox-libre Guest Additions
The "Devices > Install Guest Additions" under virtual-libre downloads an ISO for virtualbox-guest-additions which is licensed under PUEL. It is a non-free license and hence should be marked for removal from virtualbox-libre from parabola.
3)https://www.gnu.org/help/gnu-bucks-recipients.html (Acknowledgement of the issue by the fsf for which I received a GNU buck)