USN-6431-3

    Dashboard / Vulnerabilities / USN-6431-3

    USN-6431-3

    Published: 16 Oct 2023Last Modified: 22 Apr 2026

    Summary: iperf3 vulnerability

    Details: 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)

    References: https://ubuntu.com/security/notices/USN-6431-3, https://launchpad.net/bugs/2038654

    Affected packages

    Package

    Name: iperf3

    Purl: pkg:deb/ubuntu/[email protected]+deb11u1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.9-1+deb11u1ubuntu0.1~esm1

    Affected versions

    3.9-1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    USN-6431-3 | CVE-DB