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Debian Security Advisory DSA-5064-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
January 29, 2022                      https://www.debian.org/security/faq
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Package        : python-nbxmpp
CVE ID         : CVE-2021-41055

It was discovered that missing input sanitising in python-nbxmpp, a
Jabber/XMPP Python library, could result in denial of service in clients
based on it (such as Gajim).

The oldstable distribution (buster) is not affected.

For the stable distribution (bullseye), this problem has been fixed in
version 2.0.2-1+deb11u1.

We recommend that you upgrade your python-nbxmpp packages.

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

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/

Mailing list: debian-security-announce@lists.debian.org