BaseFortify

Publication date: 2026-01-29

Last updated on: 2026-02-13

Assigner: MITRE

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-29

Last Modified

2026-02-13

Generated

2026-07-06

AI Q&A

2026-01-29

EPSS Evaluated

2026-07-05

NVD

CVE-2025-63658

Affected Vendors & Products

Vendor	Product	Version / Range
monkey-project	monkey	to 1.8.5 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-121	A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Attack-Flow Graph

Executive Summary

This vulnerability is a stack overflow in the mk_http_index_lookup function of the monkey server software. It occurs when an attacker sends a specially crafted HTTP request, which causes the server to overflow its stack memory, potentially leading to a crash or other unintended behavior.

Impact Analysis

The vulnerability can cause a Denial of Service (DoS) on the affected server, meaning the server may crash or become unresponsive when processing malicious HTTP requests, disrupting service availability.

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