A dhcp security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: dhcp-4.4.2-12.b1.fc34

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Fedora Update Notification
FEDORA-2022-05918f0838
2022-04-29 06:56:10.869222
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Name : dhcp
Product : Fedora 34
Version : 4.4.2
Release : 12.b1.fc34
URL :   https://www.isc.org/dhcp/
Summary : Dynamic host configuration protocol software
Description :
DHCP (Dynamic Host Configuration Protocol)

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Update Information:

Security fix for CVE-2021-25220
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ChangeLog:

* Thu Apr 14 2022 Martin Osvald - 12:4.4.2-12.b1
- Fix for CVE-2021-25220
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References:

[ 1 ] Bug #2064512 - CVE-2021-25220 bind: DNS forwarders - cache poisoning vulnerability
  https://bugzilla.redhat.com/show_bug.cgi?id=2064512
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-05918f0838' 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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