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CVE-2026-71218 Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion

🗓️ 11 Aug 2026 08:51:24Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Unauthenticated remote attacker exploits unbounded allocation in iperf3 JSON_read() causing memory exhaustion and DoS.

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Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-71218
11 Aug 202608:51
attackerkb
cve
CVE
CVE-2026-71218
11 Aug 202608:51
cve
euvd
EUVD
EUVD-2026-55991
11 Aug 202608:51
euvd
nvd
NVD
CVE-2026-71218
11 Aug 202609:17
nvd
redhatcve
RedhatCVE
CVE-2026-71218
11 Aug 202608:51
redhatcve
vulnrichment
Vulnrichment
CVE-2026-71218 Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion
11 Aug 202608:51
vulnrichment
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "iperf3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "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"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "iperf3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "iperf3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  }
]

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