What is the vulnerability ID of this Avahi vulnerability?

The vulnerability ID of this Avahi vulnerability is USN-6129-2.

Which versions of Ubuntu are affected by this Avahi vulnerability?

The versions of Ubuntu affected by this Avahi vulnerability are 14.04 LTS, 16.04 LTS, and 18.04 LTS.

What is the severity of the Avahi vulnerability identified in USN-6129-1?

The severity of the Avahi vulnerability identified in USN-6129-1 is not specified.

How can I fix the Avahi vulnerability in Ubuntu 14.04 LTS?

To fix the Avahi vulnerability in Ubuntu 14.04 LTS, update the avahi-daemon package to version 0.6.31-4ubuntu1.3+esm2 or later.

Where can I find more information about the Avahi vulnerability?

You can find more information about the Avahi vulnerability at the following references: [CVE-2023-1981](https://ubuntu.com/security/CVE-2023-1981), [USN-6129-1](https://ubuntu.com/security/notices/USN-6129-1), [USN-6129-2](https://ubuntu.com/security/notices/USN-6129-2).

Vulnerability/
USN-6129-2

25/7/2023

USN-6129-2: Avahi vulnerability

First published: Tue Jul 25 2023(Updated: )

USN-6129-1 fixed a vulnerability in Avahi. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that Avahi incorrectly handled certain DBus messages. A local attacker could possibly use this issue to cause Avahi to crash, resulting in a denial of service.

Affected Software	Affected Version	How to fix
All of
ubuntu/avahi-daemon	<0.7-3.1ubuntu1.3+esm1	0.7-3.1ubuntu1.3+esm1
	=18.04
All of
ubuntu/avahi-daemon	<0.6.32~rc+dfsg-1ubuntu2.3+esm2	0.6.32~rc+dfsg-1ubuntu2.3+esm2
	=16.04
All of
ubuntu/avahi-daemon	<0.6.31-4ubuntu1.3+esm2	0.6.31-4ubuntu1.3+esm2
	=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2023-1981

Frequently Asked Questions

What is the vulnerability ID of this Avahi vulnerability?
The vulnerability ID of this Avahi vulnerability is USN-6129-2.
Which versions of Ubuntu are affected by this Avahi vulnerability?
The versions of Ubuntu affected by this Avahi vulnerability are 14.04 LTS, 16.04 LTS, and 18.04 LTS.
What is the severity of the Avahi vulnerability identified in USN-6129-1?
The severity of the Avahi vulnerability identified in USN-6129-1 is not specified.
How can I fix the Avahi vulnerability in Ubuntu 14.04 LTS?
To fix the Avahi vulnerability in Ubuntu 14.04 LTS, update the avahi-daemon package to version 0.6.31-4ubuntu1.3+esm2 or later.
Where can I find more information about the Avahi vulnerability?
You can find more information about the Avahi vulnerability at the following references: [CVE-2023-1981](https://ubuntu.com/security/CVE-2023-1981), [USN-6129-1](https://ubuntu.com/security/notices/USN-6129-1), [USN-6129-2](https://ubuntu.com/security/notices/USN-6129-2).

agent/severity
agent/type
agent/first-publish-date
agent/last-modified-date
agent/softwarecombine
collector/usn
source/Ubuntu
anchor-related/USN-6129-1
agent/software-canonical-lookup
agent/title
agent/event
agent/references
agent/tags
agent/description
agent/trending
package-manager/ubuntu
vendor/ubuntu
canonical/ubuntu ubuntu
version/ubuntu ubuntu/18.04
version/ubuntu ubuntu/16.04
version/ubuntu ubuntu/14.04

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