A NULL pointer dereference in the mk_http_range_parse function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.
https://github.com/monkey/monkey/issues/427
https://github.com/archersec/security-advisories/blob/master/monkey/monkey-advisory-2025.md