CVE-2023-1981

Name: CVE-2023-1981
Creator: NVD / NIST
Published: 2023-05-26T18:15:11.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2023-1981 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.39%

31.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Avahi	Avahi	0.7-20
Fedoraproject	Fedora	37
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux	9.0

References

https://access.redhat.com/security/cve/CVE-2023-1981Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2185911Issue Tracking, Third Party Advisory
https://github.com/lathiat/avahi/issues/375Exploit, Issue Tracking, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-1981Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2185911Issue Tracking, Third Party Advisory
https://github.com/lathiat/avahi/issues/375Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00011.html

Timeline

Published: May 26, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1981?

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.

How severe is CVE-2023-1981?

CVE-2023-1981 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1981?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1981?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST