FreeRDP prior to version 2.0.0-rc4 contains several Out-Of-Bounds Reads in the NTLM Authentication module that results in a Denial of Service (segfault).
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/2ee663f39dc8dac3d9988e847db19b2d7e3ac8c6