A Lava security update has been released for Debian GNU/Linux 11 to address a denial of service issue.

DSA 5318-1: lava security update

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Debian Security Advisory DSA-5318-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
January 13, 2023   https://www.debian.org/security/faq
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Package : lava
CVE ID : CVE-2022-44641
Debian Bug : 1024429

Igor Ponomarev discovered that LAVA, a continuous integration system for
deploying operating systems onto physical and virtual hardware for
running tests, was suspectible to denial of service via recursive XML
entity expansion.

For the stable distribution (bullseye), this problem has been fixed in
version 2020.12-5+deb11u2.

We recommend that you upgrade your lava packages.

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

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