CVE-2025-63651

HIGH
2026-01-29 [email protected]
7.5
CVSS 3.1
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CVSS Vector

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 19, 2026 - 20:38 vuln.today
Public exploit code
CVE Published
Jan 29, 2026 - 20:16 nvd
HIGH 7.5

Tags

Use After Free Denial Of Service Monkey

Description

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.

Analysis

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. [CVSS 7.5 HIGH]

Technical Context

Classified as CWE-416 (Use After Free). Affects the mk_string_char_search component of Monkey. 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.

Affected Products

Vendor: Monkey-Project. Product: Monkey. Component: mk_string_char_search.

Remediation

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

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.9
CVSS: +38
POC: +20

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CVE-2025-63651 vulnerability details – vuln.today
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