1549
The expert revealed the flaw this week at the Infiltrate Conference , the vulnerability could be exploited by attackers to execute a memory - corruption attack against affected devices over the air .
 The expert: discoverer; the flaw: vulnerability; this week: time; vulnerability: vulnerability
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 expert: discoverer; the flaw: vulnerability; this week: time; vulnerability: vulnerability