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SAN FRANCISCO — Hackers took advantage of an Equifax security vulnerability two months after an industry group discovered the coding flaw and shared a fix for it , raising questions about why Equifax did n't update its software successfully when the danger became known .
 its software: vulnerable system; Equifax: 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:
 its software: vulnerable system; Equifax: releaser