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CVE-2026-82398: Python Stream Read Bytes Quadratic Accumulationcve-2026-82398-python-stream-read-bytes-quadratic-accumulation

Repeatedly concatenating stream reads to an immutable `bytes` object inside a loop causes quadratic O(N^2) time complexity and excessive memory allocation. Use `bytearray` or a list of chunks instead.

PythonCVE-2026-82398 CWE-400

by Provallyupdated 2026-09-02Apache-2.0

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