ADVISORIES
GEM
SEVERITY
CVSS v3.x: 9.8 (Critical)
PATCHED VERSIONS
None.
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.