CVE-2026-102998 | py-pdf Pypdf up to 6.18.x Appearance Stream _appearance_stream.py infinite loop

A vulnerability labeled as problematic has been found in py-pdf Pypdf up to 6.18.x. Impacted is an unknown function of the file pypdf/generic/_appearance_stream.py of the component Appearance Stream. Executing a manipulation can lead to infinite loop.

This vulnerability is registered as CVE-2026-102998. It is possible to launch the attack remotely. No exploit is available.

The affected component should be upgraded.VulDB Recent EntriesRead More