CVE-2026-82398 | py-pdf pypdf up to 6.14.x pypdf/_utils.py read_until_whitespace resource consumption

August 31, 2026 Yanac

A vulnerability identified as problematic has been detected in py-pdf pypdf up to 6.14.x. Affected by this issue is the function read_until_whitespace of the file pypdf/_utils.py. Performing a manipulation results in resource consumption.

This vulnerability is reported as CVE-2026-82398. The attack is possible to be carried out remotely. No exploit exists.

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