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

DSA 5147-1: dpkg security update

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Debian Security Advisory DSA-5147-1 security@debian.org
  https://www.debian.org/security/ Salvatore Bonaccorso
May 25, 2022   https://www.debian.org/security/faq
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Package : dpkg
CVE ID : CVE-2022-1664

Max Justicz reported a directory traversal vulnerability in
Dpkg::Source::Archive in dpkg, the Debian package management system.
This affects extracting untrusted source packages in the v2 and v3
source package formats that include a debian.tar.

For the oldstable distribution (buster), this problem has been fixed
in version 1.19.8.

For the stable distribution (bullseye), this problem has been fixed in
version 1.20.10.

We recommend that you upgrade your dpkg packages.

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

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/