CVE-2019-12936
BlueStacks App Player 2, 3, and 4 before 4.90 allows DNS Rebinding for attacks on exposed IPC functions.
Date published : 2019-06-23
https://support.bluestacks.com/hc/en-us/articles/360021469391-Release-Notes
https://support.bluestacks.com/hc/en-us/articles/360028842471