A libzip security update has been released for Debian GNU/Linux 9 LTS to address a denial of service issue.

DLA 2858-1: libzip security update

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Debian LTS Advisory DLA-2858-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Thorsten Alteholz
December 28, 2021   https://wiki.debian.org/LTS
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Package : libzip
Version : 1.1.2-1.1+deb9u1
CVE ID : CVE-2017-14107

An issue has been found in libzip, a library for reading, creating, and
modifying zip archives.
Crafted ZIP archives could allow remote attackers to cause denial of
service due to memorey allocation failure by mishandling EOCD records.

For Debian 9 stretch, this problem has been fixed in version
1.1.2-1.1+deb9u1.

We recommend that you upgrade your libzip packages.

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

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