A libitext5-java security update has been released for Debian GNU/Linux 11 to address a command injection issue when parsing a specially crafted filename.

DSA 5323-1: libitext5-java security update

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Debian Security Advisory DSA-5323-1 security@debian.org
  https://www.debian.org/security/ Markus Koschany
January 19, 2023   https://www.debian.org/security/faq
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Package : libitext5-java
CVE ID : CVE-2021-43113
Debian Bug : 1014597

It was discovered that the CompareTool of iText, a Java PDF library which uses
the external ghostscript software to compare PDFs at a pixel level, allowed
command injection when parsing a specially crafted filename.

For the stable distribution (bullseye), this problem has been fixed in
version 5.5.13.2-1+deb11u1.

We recommend that you upgrade your libitext5-java packages.

For the detailed security status of libitext5-java please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/libitext5-java

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/