What is the vulnerability ID for this iperf3 vulnerability?

The vulnerability ID for this iperf3 vulnerability is USN-6431-2.

What is the affected software for this vulnerability?

The affected software for this vulnerability is iperf3 version 3.12-1+deb12u1build0.23.04.1 on Ubuntu 23.04, and iperf3 version 3.9-1+deb11u1build0.22.04.1 on Ubuntu 22.04.

What is the severity of USN-6431-2?

The severity of USN-6431-2 has not been provided.

How do I fix the iperf3 vulnerability on Ubuntu 23.04?

To fix the iperf3 vulnerability on Ubuntu 23.04, update the iperf3 package to version 3.12-1+deb12u1build0.23.04.1.

How do I fix the iperf3 vulnerability on Ubuntu 22.04?

To fix the iperf3 vulnerability on Ubuntu 22.04, update the iperf3 package to version 3.9-1+deb11u1build0.22.04.1.

Vulnerability/
USN-6431-2

16/10/2023

USN-6431-2: iperf3 vulnerability

First published: Mon Oct 16 2023(Updated: )

USN-6431-1 fixed a vulnerability in iperf3. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 23.04. Original advisory details: It was discovered that iperf3 did not properly manage certain inputs, which could lead to a crash. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-38403)

Affected Software	Affected Version	How to fix
All of
ubuntu/iperf3	<3.12-1+deb12u1build0.23.04.1	3.12-1+deb12u1build0.23.04.1
	=23.04
All of
ubuntu/libiperf0	<3.12-1+deb12u1build0.23.04.1	3.12-1+deb12u1build0.23.04.1
	=23.04
All of
ubuntu/iperf3	<3.9-1+deb11u1build0.22.04.1	3.9-1+deb11u1build0.22.04.1
	=22.04
All of
ubuntu/libiperf0	<3.9-1+deb11u1build0.22.04.1	3.9-1+deb11u1build0.22.04.1
	=22.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2023-38403

Frequently Asked Questions

What is the vulnerability ID for this iperf3 vulnerability?
The vulnerability ID for this iperf3 vulnerability is USN-6431-2.
What is the affected software for this vulnerability?
The affected software for this vulnerability is iperf3 version 3.12-1+deb12u1build0.23.04.1 on Ubuntu 23.04, and iperf3 version 3.9-1+deb11u1build0.22.04.1 on Ubuntu 22.04.
What is the severity of USN-6431-2?
The severity of USN-6431-2 has not been provided.
How do I fix the iperf3 vulnerability on Ubuntu 23.04?
To fix the iperf3 vulnerability on Ubuntu 23.04, update the iperf3 package to version 3.12-1+deb12u1build0.23.04.1.
How do I fix the iperf3 vulnerability on Ubuntu 22.04?
To fix the iperf3 vulnerability on Ubuntu 22.04, update the iperf3 package to version 3.9-1+deb11u1build0.22.04.1.

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