CVE-2025-53629
cpp-httplib Unbounded Memory Allocation in Chunked/No-Length Requests Vulnerability
Summary
cpp-httplib Unbounded Memory Allocation in Chunked/No-Length Requests Vulnerability
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2025-53629 cpp-httplib
- Ubuntu UBUNTU-CVE-2025-53629 cpp-httplib
References
- advisory github.com
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com