1. Vulnerability Description

• Performing sorting after filtering을 is more advantageous than performing filtering after sorting.

2. Vulnerability Countermeasure

• Perform sorting after reducing the result set by filtering.

3. Sample Code

• Unsafe code

class Test {
  List(1, 2, 3).sorted.filter(_ < 3)
}

• Safe Code

class Test {
  val a = List(1, 2, 3).filter(_ < 3).sorted
}