Comment Re:Hah! (Score 4, Informative) 91
(1) Rails and Ruby was virtually unheard of until 2007-2008 and definitely was not in mainstream use until that time.
(2) This vulnerability has nothing to do with "cryptographic key"; it is related to the fact that default YAML parser allows serializing/deserializing and executing arbitrary Ruby code (including objects) and ActiveSupport didn't properly sanitize the input.