USN-6431-3
iperf3 vulnerability
USN-6431-1 fixed a vulnerability in iperf3. This update provides the 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)
What each source reports
OSV No score
iperf3 vulnerability
USN-6431-1 fixed a vulnerability in iperf3. This update provides the 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)
- Record
USN-6431-3- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
iperf3Ubuntu:Pro:22.04:LTS |
before 3.9-1+deb11u1ubuntu0.1~esm1, plus listed versions 3.9-13.9-1build13.9-1+deb11u1build0.22.04.1 |
3.9-1+deb11u1ubuntu0.1~esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
USN-6431-3 is a vulnerability with no CVSS score yet in iperf3, published October 16, 2023. No source lists public exploit code. Fixed in iperf3 3.9-1+deb11u1ubuntu0.1~esm1.