Oracle has released the virtualization software VirtualBox Version 5.1.26 on July 27, 2017 as a maintenance update.
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According to the change log the following items has been fixed/improved in Virtualbox 5.1.26.
- VMM: reset the TSC on VM reset to work around a Windows bug (bug #16643)
- Audio: fixed memory leak when enabled with VRDP connections (5.1.24 regression; bug #16928)
- Audio: fixed creation of too many sound sinks on Linux hosts when using the PulseAudio backend (bug #16938)
- Audio: implemented record gain registers for AC'97 emulation; those are needed for newer Ubuntu guests which rely on those when controlling gain and muting the recording (capturing) levels
- Storage: fixed hang when using the emulated NVMe controller with the SPDK (bug #16945)
- Mouse: double click was not working with a precision touchpad (bug #14632)
- Linux hosts: properly bring up host-only network interfaces with iproute (5.1.24 regression; bug #16911)
- Linux hosts: provide Python 3 libraries for deb/rpm packages
- Windows hosts: make it possible to use host-only networking without having bridged networking installed
Virtualbox 5.1.25 is available for Windows, Mac OSX and Linux from this download site. Take care to download also the appropriate VirtualBox Extension Pack.
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