What is CVE-2025-46728?

CVE-2025-46728 is a high-severity vulnerability in Yhirose Cpp-httplib, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-05-06.

How severe is CVE-2025-46728?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Yhirose Cpp-httplib

CVE-2025-46728

cpp-httplib is a C++ header-only HTTP/HTTPS server and client library. Prior to version 0.20.1, the library fails to enforce configured size limits on incoming request bodies when `Transfer-Encoding: chunked` is used or when no `Content-Le…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.010 (77.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Yhirose Cpp-httplib — versions < 0.20.1

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-px83-72rx-v57c (x_refsource_CONFIRM)
https://github.com/yhirose/cpp-httplib/commit/7b752106ac42bd5b907793950d9125a0972c8e8e (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-46728?: CVE-2025-46728 is a high-severity vulnerability in Yhirose Cpp-httplib, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-05-06.
How severe is CVE-2025-46728?: High severity. CVSS v3 base score is 7.5 out of 10.