Allocation of Resources Without Limits or Throttling Affecting cpp-httplib package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.51% (39th percentile)

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  • Snyk IDSNYK-UBUNTU2204-CPPHTTPLIB-10721786
  • published26 Feb 2026
  • disclosed10 Jul 2025

Introduced: 10 Jul 2025

CVE-2025-53629  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:22.04 cpp-httplib.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cpp-httplib package and not the cpp-httplib package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.23.0, incoming requests using Transfer-Encoding: chunked in the header can allocate memory arbitrarily in the server, potentially leading to its exhaustion. This vulnerability is fixed in 0.23.0. NOTE: This vulnerability is related to CVE-2025-53628.

CVSS Base Scores

version 3.1