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Qubes OS , an operating system that uses Xen to isolate applications inside virtual machines , also put out an advisory warning that an attacker who exploits another vulnerability , for example inside a browser , can exploit this Xen issue to compromise the whole Qubes system .
 another 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:
 another vulnerability: vulnerability