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Allocation of Resources Without Limits or Throttling

CVE-2025-53629

High
7.5/10

Summary

The package cpp-httplib is a C++ single-file header-only cross platform HTTP/HTTPS library. In cpp-httplib package versions 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. NOTE: This vulnerability is related to CVE-2025-53628.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-770 - Allocation of Resources Without Limits or Throttling

The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References

Advisory Timeline

  • Published