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Other vendors , such as Debian , have been updating their Linux and software distributions to include the patched code and recommend that users upgrade to thwart ne'er - do - wells seeking to exploit the vulnerability .
 patch vulnerability: have been updating
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: have been updating