Skip to main content

Monkey CVE-2025-63655

HIGH
NULL Pointer Dereference (CWE-476)
2026-01-29 cve@mitre.org
7.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
PoC Detected
Feb 13, 2026 - 20:34 vuln.today
Public exploit code
CVE Published
Jan 29, 2026 - 20:16 nvd
HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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. [CVSS 7.5 HIGH]

Technical ContextAI

Classified as CWE-476 (NULL Pointer Dereference). Affects the mk_http_range_parse component of Monkey. 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.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

More in Monkey

View all
CVE-2013-3843 MEDIUM POC
6.8 Jun 13

Stack-based buffer overflow in the mk_request_header_process function in mk_request.c in Monkey HTTP Daemon (monkeyd) be

CVE-2013-2182 MEDIUM POC
5.8 Jun 13

The Mandril security plugin in Monkey HTTP Daemon (monkeyd) before 1.5.0 allows remote attackers to bypass access restri

CVE-2025-63657 HIGH POC
7.5 Jan 29

An out-of-bounds read in the mk_mimetype_find function (mk_server/mk_mimetype.c) of monkey commit f37e984 allows attacke

CVE-2025-63656 HIGH POC
7.5 Jan 29

An out-of-bounds read in the header_cmp function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers

CVE-2025-63653 HIGH POC
7.5 Jan 29

An out-of-bounds read in the mk_vhost_fdt_close function (mk_server/mk_vhost.c) of monkey commit f37e984 allows attacker

CVE-2025-63652 HIGH POC
7.5 Jan 29

A use-after-free in the mk_http_request_end function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to

CVE-2025-63650 HIGH POC
7.5 Jan 29

An out-of-bounds read in the mk_ptr_to_buf in mk_core function (mk_memory.c) of monkey commit f37e984 allows attackers t

CVE-2025-63651 HIGH POC
7.5 Jan 29

A use-after-free in the mk_string_char_search function (mk_core/mk_string.c) of monkey commit f37e984 allows attackers t

CVE-2025-63658 HIGH POC
7.5 Jan 29

A stack overflow in the mk_http_index_lookup function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to

CVE-2025-63649 HIGH POC
7.5 Jan 29

An out-of-bounds read in the http_parser_transfer_encoding_chunked function (mk_server/mk_http_parser.c) of monkey commi

CVE-2013-3724 MEDIUM POC
5.0 Aug 01

The mk_request_header_process function in mk_request.c in Monkey 1.1.1 allows remote attackers to cause a denial of serv

CVE-2013-2163 MEDIUM POC
5.0 Jun 13

Monkey HTTP Daemon (monkeyd) before 1.2.2 allows remote attackers to cause a denial of service (infinite loop) via an of

Share

CVE-2025-63655 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy