VirtualBox v4.1.12 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 v4.1.12 Changelog:
- VMM: fixed VERR_NOT_SUPPORTED and VERR_RAW_MODE_INVALID_SMP guru meditation due to an invalid reschedule to raw mode (bug #10370)
- VMM: fixed PDMCritSectLeave guru meditation under rare circumstances with SMP guests
- VMM: proper Math Fault handling with certain legacy guests (bug #9042)
- NAT: fixed a socket leak under certain conditions
- Storage: better sanity check against reading beyond end-of- file
- Audio: fixed a crash in the NUL audio backend (bug #10374; 4.1.10 regression)
- HGCM: fixed a crash during savestate under rare circumstances
- VBoxSVC: several locking fixes
- VBoxManage: return the correct error code if controlvm savestate failed (bug #10134)
- Guest Additions: VBoxService should not crash on exit (bug #10326; 4.1.10 regression)
- Windows Additions: set the correct time stamp when a file is closed (bug #6473)
- Windows Additions: better help if the DirectX backups are not properly installed
- Linux Additions: Linux 3.4-rc1 compile fixes

Download: VirtualBox v4.1.12
Source: Here