high7.5
CVE-2025-53629
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Yhirose | Cpp-Httplib | before 0.23.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/yhirose/cpp-httplib/commit/17ba303889b8d4d719be3879a70639ab653efb99
- https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-j6p8-779x-p5pw
- https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6w
- https://github.com/yhirose/cpp-httplib/security/advisories/GHSA-qjmq-h3cc-qv6w