A lrzip security update has been released for Debian GNU/Linux 9 LTS to address several security vulnerabilities.

DLA 2725-1: lrzip security update

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Debian LTS Advisory DLA-2725-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Markus Koschany
August 01, 2021   https://wiki.debian.org/LTS
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Package : lrzip
Version : 0.631-1+deb9u1
CVE ID : CVE-2017-8844 CVE-2017-8846 CVE-2017-9928 CVE-2017-9929
CVE-2018-5650 CVE-2018-5747 CVE-2018-5786 CVE-2018-10685
CVE-2018-11496

Several security vulnerabilities have been discovered in lrzip, a compression
program. Heap-based and stack buffer overflows, use-after-free and infinite
loops would allow attackers to cause a denial of service or possibly other
unspecified impact via a crafted file.

For Debian 9 stretch, these problems have been fixed in version
0.631-1+deb9u1.

We recommend that you upgrade your lrzip packages.

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

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