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In May last year , the Project Zero security researcher discovered that Symantec Antivirus Engine was vulnerable to buffer overflow when parsing malformed portable - executable header files that resulted in instant blue - screening and kernel memory corruption without user action on Windows .
 the Project Zero security researcher: discoverer; Symantec Antivirus Engine: vulnerable system; buffer overflow: vulnerability; instant blue - screening: capabilities; kernel memory corruption: capabilities; May last year: time; Windows: supported platform
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 Project Zero security researcher: discoverer; Symantec Antivirus Engine: vulnerable system; buffer overflow: vulnerability; instant blue - screening: capabilities; kernel memory corruption: capabilities; May last year: time; Windows: supported platform