VULNERABILITY INTELLIGENCE

CVE-2025-53629

CVSS score7.5 HIGH

EPSS probability0.52%

CISA KEVNot currently listed

Published2025-07-10

Last modified2026-06-17

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.