CVE-2026-24688

Updated on 27 Jan 2026

Severity

5.1 Medium severity

Details

CVSS score
5.1
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Overview

About vulnerability

Impact

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks.

Patches

This has been fixed in pypdf 6.6.2.

Workarounds

If projects cannot upgrade yet, consider applying the changes from PR #3610.

Details

Affected product:
pypdf
Affected packages:
pypdf @ 5.9.0