A PyYAML security update has been released for Fedora 31.
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Fedora Update Notification
FEDORA-2020-bdb0bfa928
2020-03-27 13:08:02.289481
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Name : PyYAML
Product : Fedora 31
Version : 5.3.1
Release : 1.fc31
URL : https://github.com/yaml/pyyaml
Summary : YAML parser and emitter for Python
Description :
YAML is a data serialization format designed for human readability and
interaction with scripting languages. PyYAML is a YAML parser and
emitter for Python.
PyYAML features a complete YAML 1.1 parser, Unicode support, pickle
support, capable extension API, and sensible error messages. PyYAML
supports standard YAML tags and provides Python-specific tags that
allow to represent an arbitrary Python object.
PyYAML is applicable for a broad range of tasks from complex
configuration files to object serialization and persistence.
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Update Information:
* New upstream release 5.3.1 (rhbz#1814882) * Fixes CVE-2020-1747
(rhbz#1807367,1809011)
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ChangeLog:
* Thu Mar 19 2020 John Eckersberg - 5.3.1-1
- New upstream release 5.3.1 (rhbz#1814882)
- Fixes CVE-2020-1747 (rhbz#1807367,1809011)
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References:
[ 1 ] Bug #1807367 - CVE-2020-1747 PyYAML: arbitrary command execution through python/object/new when FullLoader is used
https://bugzilla.redhat.com/show_bug.cgi?id=1807367
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-bdb0bfa928' 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
