The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
{ "binaries": [ { "binary_version": "2.2.1-2.1", "binary_name": "chocolate-common" }, { "binary_version": "2.2.1-2.1", "binary_name": "chocolate-doom" }, { "binary_version": "2.2.1-2.1", "binary_name": "chocolate-heretic" }, { "binary_version": "2.2.1-2.1", "binary_name": "chocolate-hexen" }, { "binary_version": "2.2.1-2.1", "binary_name": "chocolate-strife" } ] }