1676
The security holes are in an open - source operating system called Tizen that Samsung has been rolling out in its devices over the last few years .
 ( discover vulnerability: are in,  The security holes: vulnerability, an open - source operating system: vulnerable system, Tizen: vulnerable system, Samsung: discoverer, its devices: vulnerable system, the last few years: time) 
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: are in,  The security holes: vulnerability, an open - source operating system: vulnerable system, Tizen: vulnerable system, Samsung: discoverer, its devices: vulnerable system, the last few years: time) 