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The bug was found by researchers Filippo Cavallarin and Dawid Golunski , independently of one another , and affects SquirrelMail versions 1.4.22 and below .
 ( discover vulnerability: was found,  researchers Filippo Cavallarin: discoverer, Dawid Golunski: discoverer, The bug: vulnerability, SquirrelMail: vulnerable system, versions 1.4.22: vulnerable system version) 
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: was found,  researchers Filippo Cavallarin: discoverer, Dawid Golunski: discoverer, The bug: vulnerability, SquirrelMail: vulnerable system, versions 1.4.22: vulnerable system version) 