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CVE-2025-53628

HIGH

8.8

Description

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.20.1, cpp-httplib does not have a limit for a unique line, permitting an attacker to explore this to allocate memory arbitrarily. This vulnerability is fixed in 0.20.1. NOTE: This vulnerability is related to CVE-2025-53629.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published7/10/2025

Last Modified8/6/2025

Sourcenvd

Honeypot Sightings0

Affected Products

yhirose:cpp-httplib

Weaknesses (CWE)

CWE-770CWE-835CWE-444

References

https://github.com/yhirose/cpp-httplib/commit/7b752106ac42bd5b907793950d9125a0972c8e8e(security-advisories@github.com)

https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pw(security-advisories@github.com)

https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6w(security-advisories@github.com)

https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pw(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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