{
  "document": {
    "aggregate_severity": {
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      },
      {
        "category": "details",
        "text": "CVE-2026-71217: add JSON value checks for get_parameters to prevent resource\n  exhaustion from oversized control-channel parameters",
        "title": "Details"
      }
    ],
    "publisher": {
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      "contact_details": "https://tuxcare.com/contact/",
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      "namespace": "https://tuxcare.com/"
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      }
    ],
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      "current_release_date": "2026-09-07T23:00:22Z",
      "generator": {
        "date": "2026-09-07T23:00:22Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1788821988",
      "initial_release_date": "2026-09-07T23:00:22Z",
      "revision_history": [
        {
          "date": "2026-09-07T23:00:22Z",
          "number": "1",
          "summary": "Initial version"
        }
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      "status": "final",
      "version": "1"
    },
    "title": "iperf3: Fix of CVE-2026-71217"
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    {
      "cve": "CVE-2026-71217",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control-channel JSON with oversized numeric parameters, such as `parallel` and `len`, which are not properly validated by the server. This improper input validation can lead to excessive stream and thread creation, as well as large buffer allocations, causing resource exhaustion. Consequently, this can result in a Denial of Service (DoS) on the affected iperf3 server.",
          "title": "Vulnerability description"
        }
      ],
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          "Rocky Linux-9.6:iperf3-devel-0:3.9-14.el9.tuxcare.els1.x86_64"
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-71217"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:61257",
          "url": "https://access.redhat.com/errata/RHSA-2026:61257"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:61389",
          "url": "https://access.redhat.com/errata/RHSA-2026:61389"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:61680",
          "url": "https://access.redhat.com/errata/RHSA-2026:61680"
        },
        {
          "category": "external",
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          "url": "https://access.redhat.com/security/cve/CVE-2026-71217"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2460984",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460984"
        },
        {
          "category": "external",
          "summary": "https://github.com/esnet/iperf/commit/494dd377eca4689672becdf06a85158557db1586",
          "url": "https://github.com/esnet/iperf/commit/494dd377eca4689672becdf06a85158557db1586"
        }
      ],
      "release_date": "2026-08-11T09:17:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-07T22:59:49.807220Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1788821988",
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          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788821988"
        },
        {
          "category": "none_available",
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          "details": "Affected",
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          "category": "impact",
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}