Virtuozzo Linux Errata and Bugfix Advisory 2017:2506 

Upstream details at : https://access.redhat.com/errata/RHBA-2017:2506

The following updated files have been uploaded and are currently 
syncing to the mirrors:  

i386:
dhclient-4.1.1-53.P1.vl6.1.i686.rpm
dhcp-4.1.1-53.P1.vl6.1.i686.rpm
dhcp-common-4.1.1-53.P1.vl6.1.i686.rpm
dhcp-devel-4.1.1-53.P1.vl6.1.i686.rpm

x86_64:
dhclient-4.1.1-53.P1.vl6.1.x86_64.rpm
dhcp-4.1.1-53.P1.vl6.1.x86_64.rpm
dhcp-common-4.1.1-53.P1.vl6.1.x86_64.rpm
dhcp-devel-4.1.1-53.P1.vl6.1.i686.rpm
dhcp-devel-4.1.1-53.P1.vl6.1.x86_64.rpm

Source:
dhcp-4.1.1-53.P1.vl6.1.src.rpm