Description
An out-of-bounds read in the http_parser_transfer_encoding_chunked function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the server.
References (2)
Core 2
Core References
Various Sources
https://github.com/archersec/security-advisories/blob/master/monkey/monkey-advisory-2025.md
Issue Tracking
https://github.com/monkey/monkey/issues/426
Scores
CVSS v3
7.5
EPSS
0.0002
EPSS Percentile
6.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
monkey-project/monkey
< 1.8.5
Published
Jan 29, 2026
Tracked Since
Feb 18, 2026