A mat2 security update has been released for Debian GNU/Linux 10 and 11 to address a directory traversal vulnerability.

DSA 5185-1: mat2 security update

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Debian Security Advisory DSA-5185-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
July 15, 2022   https://www.debian.org/security/faq
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Package : mat2
CVE ID : CVE-2022-35410

A directory traversal vulnerability was discovered in the Metadata
anonymisation toolkit, which could result in information disclosure via
a malformed ZIP archive.

For the oldstable distribution (buster), this problem has been fixed
in version 0.8.0-3+deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 0.12.1-2+deb11u1.

We recommend that you upgrade your mat2 packages.

For the detailed security status of mat2 please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/mat2

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/