Virtuozzo Linux Errata and Bugfix Advisory 2017:0923 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2017-0923.html

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

x86_64:
squid-3.5.20-2.vl7.3.x86_64.rpm
squid-migration-script-3.5.20-2.vl7.3.x86_64.rpm
squid-sysvinit-3.5.20-2.vl7.3.x86_64.rpm

Source:
squid-3.5.20-2.vl7.3.src.rpm