CVE-2026-103000 | py-pdf pypdf up to 6.18.x Page Labels pypdf/_page_labels.py memory allocation

September 30, 2026 Yanac

A vulnerability marked as problematic has been reported in py-pdf pypdf up to 6.18.x. The affected element is an unknown function of the file pypdf/_page_labels.py of the component Page Labels. The manipulation leads to uncontrolled memory allocation.

This vulnerability is documented as CVE-2026-103000. The attack can be initiated remotely. There is not any exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More