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The problem on Cloudflare 's side , which impacted big brands like Uber , Fitbit , 1Password , and OKCupid , was a memory leak .
 big brands: vulnerable system owner; Uber: vulnerable system owner; Fitbit: vulnerable system owner; 1Password: vulnerable system owner; OKCupid: vulnerable system owner; problem: vulnerability; memory leak: capabilities; Cloudflare: vulnerable system owner
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:
 big brands: vulnerable system owner; Uber: vulnerable system owner; Fitbit: vulnerable system owner; 1Password: vulnerable system owner; OKCupid: vulnerable system owner; problem: vulnerability; memory leak: capabilities; Cloudflare: vulnerable system owner