Cross-site scripting (XSS) vulnerability in Ruby on Rails 3.0.x before 3.0.12, 3.1.x before 3.1.4, and 3.2.x before 3.2.2 allows remote attackers to inject arbitrary web script or HTML via vectors involving a SafeBuffer object that is manipulated through certain methods.
https://bugzilla.redhat.com/show_bug.cgi?id=799275
http://www.openwall.com/lists/oss-security/2012/03/03/1
http://www.openwall.com/lists/oss-security/2012/03/02/6
http://weblog.rubyonrails.org/2012/3/1/ann-rails-3-0-12-has-been-released
http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075675.html
http://groups.google.com/group/rubyonrails-security/msg/1c2e01a5e42722c9?dmode=source&output=gplain