FreeRDP prior to version 2.0.0-rc4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function gdi_Bitmap_Decompress() and results in a memory corruption and probably even a remote code execution.
https://usn.ubuntu.com/3845-2/
https://usn.ubuntu.com/3845-1/
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
https://github.com/FreeRDP/FreeRDP/commit/09b9d4f1994a674c4ec85b4947aa656eda1aed8a