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The third bug , CVE -2018-16866 , appeared in June 2015 ( systemd v221 ) and , Qualys says , was fixed inadvertently in August 2018 .
 discover vulnerability: appeared in
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:
 discover vulnerability: appeared in