A crun security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: crun-0.20.1-1.fc33

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Fedora Update Notification
FEDORA-2021-0c53d8738d
2021-07-24 01:06:47.806754
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Name : crun
Product : Fedora 33
Version : 0.20.1
Release : 1.fc33
URL :   https://github.com/containers/crun
Summary : OCI runtime written in C
Description :
crun is a runtime for running OCI containers

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Update Information:

Security fix for CVE-2021-3602 bump podman to v3.2.3 include podman-machine-
cni in podman-plugins subpackage bump crun to 0.20.1 ---- Fix `secrets`
definition in /usr/share/containers/containers.conf
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ChangeLog:

* Wed Jun 9 2021 Lokesh Mandvekar - 0.20.1-1
- Fixes:   https://github.com/containers/crun/issues/687
* Wed Jun 2 2021 Lokesh Mandvekar - 0.20-1
- bump to 0.20
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References:

[ 1 ] Bug #1969264 - CVE-2021-3602 buildah: Host environment variables leaked in build container when using chroot isolation
  https://bugzilla.redhat.com/show_bug.cgi?id=1969264
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-0c53d8738d' 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