A use-after-free in the mk_string_char_search function (mk_core/mk_string.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/426
https://github.com/archersec/security-advisories/blob/master/monkey/monkey-advisory-2025.md