A busybox security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: busybox-1.33.0-3.fc34

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Fedora Update Notification
FEDORA-2021-e82915eee1
2021-03-27 00:15:25.754139
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Name : busybox
Product : Fedora 34
Version : 1.33.0
Release : 3.fc34
URL :   http://www.busybox.net
Summary : Statically linked binary providing simplified versions of system commands
Description :
Busybox is a single binary which includes versions of a large number
of system commands, including a shell. This package can be very
useful for recovering from certain types of system failures,
particularly those involving broken shared libraries.

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Update Information:

Fix for CVE-2021-28831.
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ChangeLog:

* Mon Mar 22 2021 Tom Callaway - 1:1.33.0-3
- apply upstream fix for CVE-2021-28831
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References:

[ 1 ] Bug #1941028 - CVE-2021-28831 busybox: invalid free or segmentation fault via malformed gzip data
  https://bugzilla.redhat.com/show_bug.cgi?id=1941028
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-e82915eee1' 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