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Security firm Icebrg on Thursday announced that a zero - day vulnerability has led to exploitation in Adobe Flash specifically targeted towards users in the Middle East .
 Security firm Icebrg: discoverer; Thursday: time; Adobe Flash: vulnerable system; zero - day vulnerability: vulnerability
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:
 Security firm Icebrg: discoverer; Thursday: time; Adobe Flash: vulnerable system; zero - day vulnerability: vulnerability