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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)

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