An ark security update has been released for Debian GNU/Linux 9 LTS an issue that could result in maliciously crafted archives with symlinks writing outside the extraction directory.

DLA 3015-1: ark security update

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Debian LTS Advisory DLA-3015-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Markus Koschany
May 20, 2022   https://wiki.debian.org/LTS
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Package : ark
Version : 4:16.08.3-2+deb9u1
CVE ID : CVE-2020-16116 CVE-2020-24654
Debian Bug : 969437

Fabian Vogt and Dominik Penner discovered that the Ark archive manager did not
sanitize extraction paths, which could result in maliciously crafted archives
with symlinks writing outside the extraction directory.

For Debian 9 stretch, these problems have been fixed in version
4:16.08.3-2+deb9u1.

We recommend that you upgrade your ark packages.

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

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