1. Vulnerability Description

• When Collection is empty, throw can occur if the following method is used.

"head",
"tail",
"init",
"last",
"reduce(_+_)",
"reduceLeft(_+_)",
"reduceRight(_+_)",
"max",
"maxBy(x => x)",
"min",
"minBy(x => x)"

2. Vulnerability Countermeasure

• Processing is required when Collection is empty.