A lldpd security update has been released for Debian GNU/Linux 10 LTS to address two potential denial of service (DoS) issues.

DLA 3388-1: lldpd security update

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Debian LTS Advisory DLA-3388-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Chris Lamb
April 10, 2023   https://wiki.debian.org/LTS
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Package : lldpd
Version : 1.0.3-1+deb10u1
CVE IDs : CVE-2020-27827 CVE-2021-43612
Debian Bug : 980132

It was discovered that there were two potential denial of service
(DoS) attacks in lldpd, a implementation of the IEEE 802.1ab (LLDP)
protocol used to administer and monitor networking devices.

For Debian 10 buster, these problems have been fixed in version
1.0.3-1+deb10u1.

We recommend that you upgrade your lldpd packages.

For the detailed security status of lldpd please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/lldpd

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS