USN-6431-1

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    USN-6431-1

    Published: 16 Oct 2023Last Modified: 25 Jun 2026

    Summary: iperf3 vulnerabilities

    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) 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-6431-1, https://ubuntu.com/security/CVE-2023-38403, https://launchpad.net/bugs/2038654

    Affected packages

    Package

    Name: iperf3

    Purl: pkg:deb/ubuntu/iperf3?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.11-1ubuntu0.1~esm2

    Affected versions

    3.0.11-1
    3.0.11-1ubuntu0.1~esm1

    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-6431-1 | CVE-DB