917
The final problem , CVE -2016-1777 , effected Security where an attacker could exploit a weaknesses in the RC4 cryptographic algorithm and was fixed by removing RC4 .
 patch vulnerability: was fixed
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: was fixed