A dhcp security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: dhcp-4.4.2-11.b1.fc34

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Fedora Update Notification
FEDORA-2021-08cdb4dc34
2021-06-02 00:55:13.619574
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Name : dhcp
Product : Fedora 34
Version : 4.4.2
Release : 11.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:

Fix for CVE-2021-25217
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ChangeLog:

* Thu May 27 2021 Pavel Zhukov - 12:4.4.2-11.b1
- Fix for CVE-2021-25217
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References:

[ 1 ] Bug #1963258 - CVE-2021-25217 dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient
  https://bugzilla.redhat.com/show_bug.cgi?id=1963258
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-08cdb4dc34' 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