An apr-util security update has been released for Debian GNU/Linux 11 to address a missing input sanitization in the apr_base64 functions of apr-util.

DSA 5364-1: apr-util security update

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Debian Security Advisory DSA-5364-1 security@debian.org
  https://www.debian.org/security/ Salvatore Bonaccorso
February 26, 2023   https://www.debian.org/security/faq
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Package : apr-util
CVE ID : CVE-2022-25147

Ronald Crane discovered that missing input saniting in the apr_base64
functions of apr-util, the Apache Portable Runtime utility library, may
result in denial of service or potentially the execution of arbitrary
code.

For the stable distribution (bullseye), this problem has been fixed in
version 1.6.1-5+deb11u1.

We recommend that you upgrade your apr-util packages.

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

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/