CVE-2025-53629 — cpp-httplib Unbounded Memory Allocation in Chunked/No-Length Requests Vulnerability
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 …
Published: 2025-07-10 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7