gh-113977, gh-120754: Remove unbounded reads from zipfile#122101

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gpshead merged 6 commits intopython:mainfrom

cmaloney:cmaloney/zipfile_tweaks

Nov 3, 2024

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cmaloney commented Jul 21, 2024 •

edited by bedevere-app bot

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Read without a size may read an unbounded amount of data + allocate unbounded size buffers. Move to capped size reads to prevent potential issues.

This is a followup #121593 (comment). I don't think this needs a separate news entry.

Issue: Speed up open().read() pattern by reducing the number of system calls #120754

Issue: Unbounded reads by zipfile may cause a MemoryError. #113977

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