A containerd security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: containerd-1.5.8-1.fc34

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Fedora Update Notification
FEDORA-2021-eb2742b148
2021-12-01 01:12:49.872927
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Name : containerd
Product : Fedora 34
Version : 1.5.8
Release : 1.fc34
URL :   https://github.com/containerd/containerd
Summary : Open and reliable container runtime
Description :

Containerd is an industry-standard container runtime with an emphasis on
simplicity, robustness and portability. It is available as a daemon for Linux
and Windows, which can manage the complete container lifecycle of its host
system: image transfer and storage, container execution and supervision,
low-level storage and network attachments, etc.

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Update Information:

Update containerd and moby-engine - Security fix for CVE-2021-41190
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ChangeLog:

* Mon Nov 22 2021 Olivier Lemasle - 1.5.8-1
- Update to upstream 1.5.8 (fixes rhbz#2013807)
- Mitigate CVE-2021-41190 (fixes GHSA-5j5w-g665-5m35, fixes rhbz#2024941)
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References:

[ 1 ] Bug #2024938 - CVE-2021-41190 opencontainers: OCI manifest and index parsing confusion
  https://bugzilla.redhat.com/show_bug.cgi?id=2024938
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-eb2742b148' 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
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