The following updates are included in the initial release of CentOS Software Collections:

https://rhn.redhat.com/errata/RHSA-2013-1842.html

https://rhn.redhat.com/errata/RHSA-2013-1815.html

https://rhn.redhat.com/errata/RHSA-2013-1794.html

https://rhn.redhat.com/errata/RHSA-2013-1763.html

https://rhn.redhat.com/errata/RHSA-2013-1427.html

https://rhn.redhat.com/errata/RHBA-2013-1239.html

The software collection Source RPMS are obtained from:

ftp://ftp.redhat.com/redhat/linux/enterprise/6Server/en/RHSCL/SRPMS/