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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👁 43 Views

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

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-71218
11 Aug 202608:51
attackerkb
cbl_mariner
CBLMariner
CVE-2026-71218 affecting package iperf3 for versions less than 3.17.1-5
18 Aug 202614:14
cbl_mariner
cve
CVE
CVE-2026-71218
11 Aug 202608:51
cve
debiancve
Debian CVE
CVE-2026-71218
11 Aug 202608:51
debiancve
euvd
EUVD
EUVD-2026-55991
11 Aug 202608:51
euvd
mscve
Microsoft CVE
Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion
15 Aug 202602:01
mscve
nvd
NVD
CVE-2026-71218
11 Aug 202609:17
nvd
osv
OSV
AZL-95598 CVE-2026-71218 affecting package iperf3 3.17.1-4
11 Aug 202609:17
osv
osv
OSV
DEBIAN-CVE-2026-71218
11 Aug 202609:17
osv
osv
OSV
UBUNTU-CVE-2026-71218
11 Aug 202609:17
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",
    "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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