CVE-2021-29421: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.

Affected products

• Fedoraproject Fedora: version 32 only; version 33 only
• Pikepdf Project Pikepdf: from 1.3.0, up to and including 2.9.2

Published 2021-04-01. Last modified 2026-06-17.