A connman security update has been released for Debian GNU/Linux 11 to address several vulnerabilities.

DSA 5231-1: connman security update

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Debian Security Advisory DSA-5231-1 security@debian.org
  https://www.debian.org/security/ Salvatore Bonaccorso
September 17, 2022   https://www.debian.org/security/faq
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Package : connman
CVE ID : CVE-2022-23096 CVE-2022-23097 CVE-2022-23098 CVE-2022-32292
CVE-2022-32293
Debian Bug : 1004935 1016976

Several vulnerabilities were discovered in ConnMan, a network manager
for embedded devices, which could result in denial of service or the
execution of arbitrary code.

For the stable distribution (bullseye), these problems have been fixed in
version 1.36-2.2+deb11u1.

We recommend that you upgrade your connman packages.

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

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/