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6.3 Medium

CVE-2025-53628 cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library

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.

Affected products and versions

Product Affected versions Fixed in
cpp-httplib 0.20 earliest → < 0.20.1 0.20.1
The 24 CVEs of cpp-httplib →
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