A libzen security update has been released for Debian GNU/Linux 10 LTS to address an issue where crafted arguments to a function could lead to an unchecked return value and a null pointer dereference.

DLA 3290-1: libzen security update

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Debian LTS Advisory DLA-3290-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Thorsten Alteholz
January 29, 2023   https://wiki.debian.org/LTS
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Package : libzen
Version : 0.4.37-1+deb10u1
CVE ID : CVE-2020-36646

Crafted arguments to a function could lead to an unchecked return value
and a null pointer dereference.

For Debian 10 buster, this problem has been fixed in version
0.4.37-1+deb10u1.

We recommend that you upgrade your libzen packages.

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

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