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In a blog post from earlier this month about the March patch , Dries Buytaert , founder of the Drupal project , observed that all software has security issues and critical security bugs are rare .
 Dries Buytaert: discoverer; all software: vulnerable system; security issues: vulnerability; critical security bugs: vulnerability; the Drupal project: discoverer
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 Dries Buytaert: discoverer; all software: vulnerable system; security issues: vulnerability; critical security bugs: vulnerability; the Drupal project: discoverer