CyberSecBulletin

Monkey-project vulnerabilities

We track 9 vulnerabilities in Monkey-project products. 9 are rated high or critical, and none are known to be exploited. The most recent was published on January 29, 2026.

9vulnerabilities
0critical
9high
0exploited
7.5average CVSS score

Latest Monkey-project vulnerabilities

  • 7.5 High severity

    Monkey: Stack-based Buffer Overflow

    CVE-2025-63658Monkey-projectEPSS 1.29%

    A stack overflow in the mk_http_index_lookup 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.

  • 7.5 High severity

    Monkey: Out-of-bounds Read

    CVE-2025-63657Monkey-projectEPSS 1.21%

    An out-of-bounds read in the mk_mimetype_find function (mk_server/mk_mimetype.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

  • 7.5 High severity

    Monkey: Out-of-bounds Read

    CVE-2025-63656Monkey-projectEPSS 1.21%

    An out-of-bounds read in the header_cmp function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

  • 7.5 High severity

    Monkey: NULL Pointer Dereference

    CVE-2025-63655Monkey-projectEPSS 8.56%

    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.

  • 7.5 High severity

    Monkey: Out-of-bounds Read

    CVE-2025-63653Monkey-projectEPSS 1.21%

    An out-of-bounds read in the mk_vhost_fdt_close function (mk_server/mk_vhost.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

  • 7.5 High severity

    Monkey: Use After Free

    CVE-2025-63652Monkey-projectEPSS 1.21%

    A use-after-free in the mk_http_request_end 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.

  • 7.5 High severity

    Monkey: Use After Free

    CVE-2025-63651Monkey-projectEPSS 1.05%

    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.

  • 7.5 High severity

    Monkey: Out-of-bounds Read

    CVE-2025-63650Monkey-projectEPSS 1.21%

    An out-of-bounds read in the mk_ptr_to_buf in mk_core function (mk_memory.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

  • 7.5 High severity

    Monkey: Out-of-bounds Read

    CVE-2025-63649Monkey-projectEPSS 1.03%

    An out-of-bounds read in the http_parser_transfer_encoding_chunked function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the server.