CVE-2025-53629
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
- Debian, Cpp-Httplib
- Yhirose Cpp-httplib
- < 0.23.0
- Fix
- Available
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.5% (40th percentile)
- Weakness
- CWE-770
- NVD status
- Analyzed
- Published
- 2025-07-10
CVE-2025-53629 at NVD
No indexed exploits for CVE-2025-53629 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2025-53629 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.