A heap buffer overflow in the processRequest function of Open TFTP Server MultiThreaded v1.7 allows attackers to cause a Denial of Service (DoS) via a crafted DATA packet.
https://sourceforge.net/projects/tftp-server/files/tftp%20server%20multithreaded/
https://gist.github.com/transparencybeam/f1b7d48d29e60a378bb9c88ba8b8080a
https://gist.github.com/Hyobin/f1b7d48d29e60a378bb9c88ba8b8080a