cve: 2016-10194 gem: festivaltts4r url: https://github.com/spejman/festivaltts4r/issues/1 title: festivaltts4r Gem for Ruby Arbitrary Command Execution date: 2016-04-23 description: | festivaltts4r passes user modifiable strings directly to a shell command. An attacker can execute malicious commands by modifying the strings that are passed as arguments to the to_speech and and to_mp3 methods in lib/festivaltts4r/festival4r.rb library.