Ubuntu Security Notice USN-6431-3

==========================================================================Ubuntu Security Notice USN-6431-3October 16, 2023iperf3 vulnerability==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 22.04 LTS (Available with Ubuntu Pro)Summary:iperf3 could be made to to stop responding if it received speciallycrafted network traffic.Software Description:- iperf3: Internet Protocol bandwidth measuring toolDetails:USN-6431-1 fixed a vulnerability in iperf3. This update providesthe corresponding update for Ubuntu 22.04 LTS.Original advisory details:  Jorge Sancho Larraz discovered that iperf3 did not properly manage certain  inputs, which could cause the server process to stop responding, waiting  for input on the control connection. A remote attacker could possibly use  this issue to cause a denial of service. (LP: #2038654)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 22.04 LTS (Available with Ubuntu Pro):   iperf3                          3.9-1+deb11u1ubuntu0.1~esm1   libiperf0                       3.9-1+deb11u1ubuntu0.1~esm1In general, a standard system update will make all the necessary changes.References:   https://ubuntu.com/security/notices/USN-6431-3   https://ubuntu.com/security/notices/USN-6431-1   https://launchpad.net/bugs/2038654