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Steam 's operator Valve announced that it fixed the bug earlier today , but with over 125 million monthly active users on its platform , the exploit could have wreaked havoc for thousands of people , and for the company itself .
 Steam 's operator Valve: releaser; the bug: vulnerability; earlier today: time; it: releaser
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:
 Steam 's operator Valve: releaser; the bug: vulnerability; earlier today: time; it: releaser