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A Google Project Zero researcher has published a macOS exploit to demonstrate that Apple is exposing its users to security risks by patching serious flaws in iOS but not revealing the fact until it fixes the same bugs in macOS a week later .
 Apple: releaser; serious flaws: vulnerability; iOS: vulnerable system
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: patch vulnerability 
  Option: issues addressed, patch, vulnerability, time, vulnerable system version, releaser, patch number, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 Apple: releaser; serious flaws: vulnerability; iOS: vulnerable system