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iperf3 vulnerabilities

Vulnerabilities published for iperf3 in the last 30 days: 1. Listed in the KEV catalogue: 0.

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Vulnerabilities: 3

  1. RLSA-2026:88207

    High · CVSS 7.5Fix available

    Important: iperf3 security update

    Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss. Security Fix(es): * iperf3: iperf3: Denial of Service via UDP receive worker infinite loop (CVE-2026-102253) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    iperf3Operating systems
    • Update to 0:3.17.1-6.el10_2.2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  2. RLSA-2026:61680

    High · CVSS 7.5Fix available

    Important: iperf3 security update

    Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss. Security Fix(es): * iperf3: iperf3 server accepts unbounded peer-controlled JSON parameters enabling remote denial of service via resource exhaustion (CVE-2026-71217) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    iperf3Operating systems
    • Update to 0:3.17.1-6.el10_2.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  3. RLSA-2026:1597

    Medium · CVSS 6.5Fix available

    Moderate: iperf3 security update

    Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss. Security Fix(es): * iperf3: iperf Heap Buffer Overflow (CVE-2025-54349) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    iperf3Operating systems
    • Update to 0:3.17.1-5.el10_1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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