An arpwatch security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: arpwatch-2.1a15-48.fc33

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Fedora Update Notification
FEDORA-2020-8e115f0c7a
2020-11-05 01:02:23.473349
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Name : arpwatch
Product : Fedora 33
Version : 2.1a15
Release : 48.fc33
URL :   http://ee.lbl.gov/
Summary : Network monitoring tools for tracking IP addresses on a network
Description :
The arpwatch package contains arpwatch and arpsnmp. Arpwatch and
arpsnmp are both network monitoring tools. Both utilities monitor
Ethernet or FDDI network traffic and build databases of Ethernet/IP
address pairs, and can report certain changes via email.

Install the arpwatch package if you need networking monitoring devices
which will automatically keep track of the IP addresses on your
network.

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Update Information:

Fix a buffer overflow from long hostnames (#1563939).
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ChangeLog:

* Tue Oct 27 2020 Benjamin A. Beasley - 14:2.1a15-48
- fix arpwatch buffer overflow (#1563939)
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References:

[ 1 ] Bug #1563939 - arpwatch buffer overflow on long DNS name
  https://bugzilla.redhat.com/show_bug.cgi?id=1563939
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-8e115f0c7a' 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