VirtualBox v4.2.16 is released. VirtualBox is a general-purpose full virtualizer for x86/x64 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

VirtualBox v4.2.16 Changelog:
This is a maintenance release. The following items were fixed and/or added since VirtualBox 4.2.14:
OVF/OVA: don't crash on import if no manifest is used (4.2.14 regression; bug #11895)
GUI: do not restore the current snapshot if we power-off after a Guru Mediation
Storage: fixed a crash when hotplugging an empty DVD drive to the VM
Storage: fixed a crash when a guest read from a DVD drive attached to the SATA controller under certain circumstances
EFI: don't fail with 64-bit guests on 32-bit hosts (bug #11456)
Autostart: fixed VM startup on OS X
Windows hosts: native Windows 8 controls
Windows hosts: restore native style on Vista 32
Windows hosts / guests: Windows 8.1 adaptions (bug #11899)
Mac OS X hosts: after removing VirtualBox with VirtualBox_Uninstall.tool, remove it from the pkgutil --pkgs list as well

Download: VirtualBox v4.2.16
Source: Here