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Facebook did make some modifications in its privacy settings feature , due to which only a limited number of reverse lookups would come from a particular IP address .
 Facebook: releaser; its privacy settings feature: vulnerability; some modifications: patch
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:
 Facebook: releaser; its privacy settings feature: vulnerability; some modifications: patch