VirtualBox v5.1.18 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 v5.1.18 Changelog:
* Shared Folders: fixed case insensitive filename access (5.1.16 regression; Windows guests only; bug #16549)
* Shared Folders: fixed access to long pathes (5.1.16 regression; Windows guests only; bugs #14651, #16564)
* API: fixed snapshot handling of medium attachments and PCI device attachments (bug #16545)
* API: make 32-bit Windows guests in raw mode boot again if the ICH9 chipset is used (5.1.16 regression)
* VBoxBugReport: fixed VM log collection issue
* Linux hosts: fixed autostart service script (bug #14955)
* Windows Additions: fixed automatic logins for Windows Vista and newer (5.1.4 regression; bug #15904)

Download: VirtualBox v5.1.18
Source: Here