819
This week , the tech giant released a security advisory detailing four vulnerabilities which could place enterprise users at risk of information leaks , account compromise , database tampering , and more .
 patch vulnerability: released
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: released