linpng home page: http://www.libpng.org/pub/png/libpng.html
redhat security advisory: https://rhn.redhat.com/errata/RHSA-2012-0523.html
It’s already added to custombuild, but might take 24 hours to sync to all DirectAdmin servers.
I think to get the new version in custombuild you first need to delete the old .tar.gz file at: /usr/local/directadmin/custombuild/libpng-1.2.44.tar.gz
./build php n