Security Advisory

CVE-2026-33123

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-20 09:09:12

Last updated 2026-03-20 18:07:16

Assigner GitHub_M

State PUBLISHED

Description

pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.1 allow an attacker to craft a malicious PDF which leads to long runtimes and/or large memory usage. Exploitation requires accessing an array-based stream with many entries. This issue has been fixed in version 6.9.1.

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