CVE-2026-115572 — pypdf: Possible long runtimes for repeated references to the same missing object
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an attacker can craft a PDF that repeatedly references the same nonexistent indirect object, causing re…
Published: 2026-10-23 · CVSS: 7.1 · CVSS 4.0
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an attacker can craft a PDF that repeatedly references the same nonexistent indirect object, causing relevant file parts such as pages to trigger repeated full-file recovery loads and long runtimes when accessed. This issue is fixed in version 6.21.2.
Source: CVE Program · Revision db05a1c62c0469669d7e26796862e22314b38180