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This time the criticism comes from Project Zero 's Ian Beer , who 's been credited by Apple with finding dozens of serious security flaws in iOS and macOS over the years .
 dozens of serious security flaws: vulnerability; iOS: vulnerable system; macOS: vulnerable system; Apple: vulnerable system owner; Ian Beer ,: discoverer; over the years: time; Project Zero: 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:
 dozens of serious security flaws: vulnerability; iOS: vulnerable system; macOS: vulnerable system; Apple: vulnerable system owner; Ian Beer ,: discoverer; over the years: time; Project Zero: discoverer