1708
The security holes rated by Cure53 as high severity are CVE -2017-6463 and CVE -2017-6464 , both of which can be exploited for DoS attacks .
 ( discover vulnerability: rated,  Cure53: discoverer, The security holes: vulnerability, CVE -2017-6463: common vulnerabilities and exposures, CVE -2017-6464: common vulnerabilities and exposures) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: rated,  Cure53: discoverer, The security holes: vulnerability, CVE -2017-6463: common vulnerabilities and exposures, CVE -2017-6464: common vulnerabilities and exposures) 