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_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",
"binary_version": "2.2.1-2.1"
}
]
}