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The origins of the exploit , CVE -2018-2892 , lie in one small fragment of code which contains a number of separate vulnerabilities around the dereferencing pointer , the means of getting values stored in a specific memory location .
 discover vulnerability: lie 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: lie in