PT-2026-5344 · Mk Http · Mk Http

Published 2026-01-29 · Updated 2026-01-29 · CVE-2025-63658

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions monkey commit f37e984

Description A stack overflow exists in the mk http index lookup function located in mk server/mk http.c. This issue allows attackers to cause a Denial of Service (DoS) by sending a crafted HTTP request to the server. The vulnerable function is mk http index lookup().

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

AZL-76364

AZL-76386

CVE-2025-63658

Affected Products

Mk Http

References · 8

• 🔥 https://github.com/archersec/security-advisories/blob/master/monkey/monkey-advisory-2025.md · Exploit
• https://github.com/monkey/monkey/issues/427 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-76364 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-76386 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-63658 · Security Note
• https://osv.dev/vulnerability/CVE-2025-63658 · Vendor Advisory
• https://twitter.com/CVEnew/status/2016970909383368901 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2016991133281276081 · Twitter Post