Today I'm going to announce VirtualBox updated releases on my personal blog; as maybe most of you already know our Virtualization Blog is migrating to a new platform and will be back very soon. Oracle has released VirtualBox 5.1 Maintenance Release 20.
This release includes improvements and regression fixes for Oracle VM VirtualBox 5.1. Between them we can mention:
Oracle has also released VirtualBox 5.0 Maintenance Release 38 and you can find further details available on Changelog for 5.0.
VirtualBox 5.1.20 and 5.0.38 include all the security fixes part of "April 2017 Oracle CPU" and you can see all the details here.
The Oracle VirtualBox Team