CVE-2026-113793pypdf: Possible infinite loop when removing tree items

Beschreibung

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, removing an object from a crafted cyclic PDF tree, such as an outline item, can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Referenzen und Patches

• https://github.com/py-pdf/pypdf/security/advisories/GHSA-9mx8-4j7g-633p Vendor AdvisoryPatch
• https://github.com/py-pdf/pypdf/pull/4188 Issue TrackingPatch
• https://github.com/py-pdf/pypdf/commit/c9c35b4471c2eb5fe078094f6c816e69d4ed25a0 Patch
• https://github.com/py-pdf/pypdf/releases/tag/6.20.1 Release Notes