Language: Python
Label: safe
CWE: CWE-400 \u2014 Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

Code:
    def on_header_field(self, data: bytes, start: int, end: int) -> None:
        self._current_partial_header_name += data[start:end]