medium
6.2
CWE
400
Advisory Published
CVE Published
Updated

CVE-2023-1981

First published: Tue Apr 26 2022(Updated: )

A vulnerability was found in the avahi library. This flaw allows an unprivileged user to make a dbus call, causing the avahi daemon to crash.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
ubuntu/avahi<0.7-4ubuntu7.2
0.7-4ubuntu7.2
ubuntu/avahi<0.8-5ubuntu5.1
0.8-5ubuntu5.1
ubuntu/avahi<0.8-6ubuntu1.22.10.1
0.8-6ubuntu1.22.10.1
ubuntu/avahi<0.8-6ubuntu1.23.04.1
0.8-6ubuntu1.23.04.1
ubuntu/avahi<0.7-3.1ubuntu1.3+
0.7-3.1ubuntu1.3+
ubuntu/avahi<0.6.31-4ubuntu1.3+
0.6.31-4ubuntu1.3+
ubuntu/avahi<0.6.32~
0.6.32~
Avahi Avahi=0.7-20
Fedoraproject Fedora=37
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux=9.0
=0.7-20
=37
=6.0
=7.0
=8.0
=9.0
debian/avahi<=0.7-4+deb10u1<=0.8-5+deb11u2
0.7-4+deb10u3
0.8-10
0.8-13

Remedy

https://github.com/lathiat/avahi/commit/a2696da2f2c50ac43b6c4903f72290d5c3fa9f6f

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-1981?

    CVE-2023-1981 is a vulnerability found in the avahi library, allowing an unprivileged user to make a dbus call and crash the avahi daemon.

  • How severe is CVE-2023-1981?

    CVE-2023-1981 has a severity score of 6.2, which is considered medium.

  • Which software is affected by CVE-2023-1981?

    The avahi library version 0.7-20 and various versions of Fedora and Redhat Enterprise Linux are affected.

  • How can I fix CVE-2023-1981 in Ubuntu?

    To fix CVE-2023-1981 in Ubuntu, update the avahi package to version 0.8-5ubuntu5.1 or later.

  • Are there any references for CVE-2023-1981?

    Yes, you can find references for CVE-2023-1981 at the following links: [CVE](https://www.cve.org/CVERecord?id=CVE-2023-1981), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-1981), [Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=2185911), [Red Hat](https://access.redhat.com/security/cve/CVE-2023-1981).

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