445
The flaw was patched this week after USPS was informed of the issue by Krebs on Security , which reports that an unnamed independent researcher reported the bug a year ago but never received a response .
 the bug: vulnerability; a year ago: time; an unnamed independent researcher: discoverer
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:
 the bug: vulnerability; a year ago: time; an unnamed independent researcher: discoverer