PP_Resource PPB_Buffer_Proxy::AddProxyResource(
    const HostResource& resource,
    base::SharedMemoryHandle shm_handle,
    uint32_t size) {
  return (new Buffer(resource, shm_handle, size))->GetReference();
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.