A libitext5-java security update has been released for Debian GNU/Linux 10 LTS to address a command injection issue when parsing a specially crafted filename.

DLA 3273-1: libitext5-java security update

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Debian LTS Advisory DLA-3273-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Markus Koschany
January 18, 2023   https://wiki.debian.org/LTS
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Package : libitext5-java
Version : 5.5.13-1+deb10u1
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 Debian 10 buster, this problem has been fixed in version
5.5.13-1+deb10u1.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS