A freecad security update has been released for Debian GNU/Linux 9 LTS to address a command injection vulnerability.

DLA 2934-1: freecad security update

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Debian LTS Advisory DLA-2934-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
March 07, 2022   https://wiki.debian.org/LTS
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Package : freecad
Version : 0.16+dfsg2-3+deb9u1
CVE ID : CVE-2021-45844
Debian Bug : 1005747

A command injection vulnerability was found in FreeCAD, a parametric 3D
modeler, when importing DWF files with crafted filenames.

For Debian 9 stretch, this problem has been fixed in version
0.16+dfsg2-3+deb9u1.

We recommend that you upgrade your freecad packages.

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

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