CVE-2014-2888 (lib/sfpagent/bsig.rb in the sfpagent gem before 0.4.15 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in the module name in a JSON request.)
CVE-2014-2322 (lib/string_utf_support.rb in the Arabic Prawn 0.0.1 gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) downloaded_file or (2) url variable.)
CVE-2013-4492 (Cross-site scripting (XSS) vulnerability in exceptions.rb in the i18n gem before 0.6.6 for Ruby allows remote attackers to inject arbitrary web script or HTML via a crafted I18n::MissingTranslationData.new call.)