Ohad,
Some food for thought if we go with 3.2.13
http://blog.tech-angels.com/post/46249485212/should-you-upgrade-rails-from-3-2-12-to-3-2-13
The article says:
We recommend you to not upgrade to Rails 3.2.13 and to wait for 3.2.14 to be released. But how to do so having in mind the 4 security breaches that still exists?
Regards,
Joseph