CVE-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.
Provally CuratedPublic repositoryMediumHigh confidenceVerifiedApache-2.0Python
greprules fetch cve-2026-82398-python-stream-read-bytes-quadratic-accumulation --engine opengrepDescription
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.
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