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CVE-2026-71217 Iperf3: iperf3 server accepts unbounded peer-controlled json parameters enabling remote denial of service via resource exhaustion

🗓️ 11 Aug 2026 08:50:10Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

iperf3 server accepts unbounded peer-controlled JSON parameters causing remote denial of service via resource exhaustion.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-71217
11 Aug 202608:50
attackerkb
almalinux
AlmaLinux
Important: iperf3 security update
31 Aug 202600:00
almalinux
cbl_mariner
CBLMariner
CVE-2026-71217 affecting package iperf3 for versions less than 3.17.1-5
18 Aug 202614:14
cbl_mariner
circl
Circl
CVE-2026-71217
11 Aug 202610:00
circl
cve
CVE
CVE-2026-71217
11 Aug 202608:50
cve
debiancve
Debian CVE
CVE-2026-71217
11 Aug 202608:50
debiancve
euvd
EUVD
EUVD-2026-55990
11 Aug 202608:50
euvd
mscve
Microsoft CVE
Iperf3: iperf3 server accepts unbounded peer-controlled json parameters enabling remote denial of service via resource exhaustion
15 Aug 202602:02
mscve
nvd
NVD
CVE-2026-71217
11 Aug 202609:17
nvd
osv
OSV
ALSA-2026:61257 Important: iperf3 security update
31 Aug 202600:00
osv
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "iperf3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:3.17.1-6.el10_2.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.2"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "iperf3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:3.5-12.el8_10.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "iperf3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:3.9-17.el9_8.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "iperf3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  }
]

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