I can't answer for RVM specifically, but, if you run
ruby -r openssl -e 'puts OpenSSL::OPENSSL_VERSION' however you're running an MRI or otherwise C-backed Ruby (notably not JRuby), and you see anything like OpenSSL 1.0.1 through 1.0.1f, you need to 1) upgrade to OpenSSL 1.0.1g and 2) rebuild your ruby.
Yesterday, I effectively rebuilt everything I'd built on my laptop with homebrew because I had a vulnerable version.
NB: If you use Maverick's default install of Ruby 2.0.0p247, you are safe. It uses OpenSSL 0.9.8y