A pysha3 security update has been released for Debian GNU/Linux 11 to address a buffer overflow in 'sha3'.

DSA 5267-1: pysha3 security update

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Debian Security Advisory DSA-5267-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
October 30, 2022   https://www.debian.org/security/faq
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Package : pysha3
CVE ID : CVE-2022-37454
Debian Bug : 1023030

Nicky Mouha discovered a buffer overflow in 'sha3', a Python library for
the SHA-3 hashing functions.

For the stable distribution (bullseye), this problem has been fixed in
version 1.0.2-4.1+deb11u1.

We recommend that you upgrade your pysha3 packages.

For the detailed security status of pysha3 please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/pysha3

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/