Virtuozzo Linux Errata and Enhancement Advisory 2019:3280 

Upstream details at : https://access.redhat.com/errata/RHEA-2019:3280

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

i386:
nspr-4.21.0-1.vl6.i686.rpm
nspr-devel-4.21.0-1.vl6.i686.rpm

x86_64:
nspr-4.21.0-1.vl6.i686.rpm
nspr-4.21.0-1.vl6.x86_64.rpm
nspr-devel-4.21.0-1.vl6.i686.rpm
nspr-devel-4.21.0-1.vl6.x86_64.rpm

Source:
nspr-4.21.0-1.vl6.src.rpm