A netatalk security updatehas been released for Debian GNU/Linux 11 to address multiple security issues.

[SECURITY] [DSA 5503-1] netatalk security update

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Debian Security Advisory DSA-5503-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
September 20, 2023 https://www.debian.org/security/faq
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Package : netatalk
CVE ID : CVE-2021-31439 CVE-2022-0194 CVE-2022-23121 CVE-2022-23122
CVE-2022-23123 CVE-2022-23124 CVE-2022-23125 CVE-2022-43634
CVE-2022-45188 CVE-2023-42464
Debian Bug : 1051066

Multiple security issues were discovered in Netatalk, an implementation
of the Apple Filing Protocol (AFP) for offering file service (mainly) to
macOS clients, which may result in the execution of arbitrary code or
information disclosure.

For the oldstable distribution (bullseye), these problems have been fixed
in version 3.1.12~ds-8+deb11u1.

We recommend that you upgrade your netatalk packages.

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

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/