A python-pikepdf security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: python-pikepdf-1.19.4-2.fc33

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Fedora Update Notification
FEDORA-2021-4bf9909a76
2021-04-09 15:16:33.697886
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Name : python-pikepdf
Product : Fedora 33
Version : 1.19.4
Release : 2.fc33
URL :   https://github.com/pikepdf/pikepdf
Summary : Read and write PDFs with Python, powered by qpdf
Description :
pikepdf is a Python library for reading and writing PDF files. pikepdf is
based on QPDF, a powerful PDF manipulation and repair library.

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Update Information:

Security fix for XXE vulnerability, CVE-2021-29421
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ChangeLog:

* Thu Apr 1 2021 Elliott Sales de Andrade - 1.19.4-2
- Backport fix for qpdf 10.1.0
- Backport fix for XXE vulnerability (#1945365)
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References:

[ 1 ] Bug #1945364 - python-pikepdf: XML External Entity processing vulnerability in PDF XMP metadata parsing
  https://bugzilla.redhat.com/show_bug.cgi?id=1945364
[ 2 ] Bug #1946269 - CVE-2021-29421 pikepdf: XML external entity issue when parsing XMP metadata entries
  https://bugzilla.redhat.com/show_bug.cgi?id=1946269
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-4bf9909a76' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys