Update Rails4 from 4.2.6 to 4.2.7.1. This includes the ports:
rubygem-activemodel4
rubygem-activerecord4
rubygem-actionview
rubygem-activejob
rubygem-activesupport4
rubygem-actionmailer4
rubygem-actionpack4/
rubygem-rails4
rubygem-railties4
These fixes 2 security issues (and need to be ported to Rails 3):
http://weblog.rubyonrails.org/2016/8/11/Rails-5-0-0-1-4-2-7-2-and-3-2-22-3-have-been-released/