Fedora 34: 2021-5cf1009b85 High: Ruby-Rails CSRF Vulnerability Fix

pikepdf is a Python library for reading and writing PDF files. pikepdf is

based on QPDF, a powerful PDF manipulation and repair library.

Security fix for XXE vulnerability, CVE-2021-29421

* 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)

[ 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

su -c 'dnf upgrade --advisory FEDORA-2021-4bf9909a76' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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