Uncontrolled Recursion Affecting cpp-httplib package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept

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  • Snyk IDSNYK-CONAN-CPPHTTPLIB-15440588
  • published8 Mar 2026
  • disclosed7 Mar 2026
  • creditDIABL0

Introduced: 7 Mar 2026

NewCVE-2026-29076  (opens in a new tab)
CWE-674  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Uncontrolled Recursion through the std::regex process in multipart filename parsing. An attacker can cause the server to crash by sending a specially crafted HTTP POST request with a malicious filename* parameter, leading to uncontrolled stack growth and a stack overflow.

CVSS Base Scores

version 4.0
version 3.1