PT-2026-59634 · Pypi · Pypdf

Published

2026-07-13

·

Updated

2026-07-13

CVSS v4.0

4.6

Medium

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Impact

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode.

Patches

This has been fixed in pypdf==6.9.2.

Workarounds

If users cannot upgrade yet, consider applying the changes from PR #3693.

Fix

Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

PYSEC-2026-3012

Affected Products

Pypdf