7.5
High
CVE-2025-53629 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 0.23.0, 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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| cpp-httplib 0.23 | earliest → < 0.23.0 | 0.23.0 |
Other CVEs of cpp-httplib
The 24 CVEs of cpp-httplib →
CVE-2026-103930
cpp-httplib is a C++ header-only HTTP/HTTPS library
3.7
Low
CVE-2026-102944
cpp-httplib is a C++ header-only HTTP/HTTPS library
7.5
High
CVE-2026-77358
cpp-httplib is a C++ header-only HTTP/HTTPS library
8.2
High
CVE-2026-77341
cpp-httplib is a C++ header-only HTTP/HTTPS library
5.3
Medium