The Ruby project has just released new versions that fix the CVE-2015-1855 Ruby OpenSSL Hostname Verification security issue. You can find more information about these issues on Ruby’s blog post.
We have released Bitnami Ruby installers, virtual machines and Amazon EC2, Google Compute Engine and Windows Azure cloud images with Ruby 2.2.2 and 2.0.0-p645 versions, and we will continue working on the release of the Ruby 2.1.6 version also.