PT-2026-5333 · M-Server · M-Server

CVE-2025-63649

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Published

2026-01-29

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Updated

2026-02-19

CVSS v3.1

7.5

High

VectorAV: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 An out-of-bounds read exists in the http parser transfer encoding chunked function located in mk server/mk http parser.c. This flaw allows attackers to potentially cause a Denial of Service (DoS) by sending a specially crafted POST request to the server. The vulnerable function is http parser transfer encoding chunked().
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Out of bounds Read

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Weakness Enumeration

Related Identifiers

CVE-2025-63649

Affected Products

M-Server