798
Additionally , it has been backported to versions 2.14.5 , 2.15.3 , 2.16.5 , 2.17.2 , and 2.18.1 .
 patch vulnerability: has been backported
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 patch vulnerability: has been backported