A libsndfile security update has been released for Debian GNU/Linux 10 to address a denial of service or potentially the execution of arbitrary code when processing a malformed audio file.

DSA 4947-1: libsndfile security update

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Debian Security Advisory DSA-4947-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
July 30, 2021   https://www.debian.org/security/faq
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Package : libsndfile
CVE ID : CVE-2021-3246
Debian Bug : 991496

Andrea Fioraldi discovered a buffer overflow in libsndfile, a library
for reading/writing audio files, which could result in denial of service
or potentially the execution of arbitrary code when processing a
malformed audio file.

For the stable distribution (buster), this problem has been fixed in
version 1.0.28-6+deb10u1.

We recommend that you upgrade your libsndfile packages.

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

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/