MEDIUM 5.3 Microsoft
CVE-2026-71218
Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion
Microsoft Security Update 2026-Aug: Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion
Affected Products
- azl3 iperf3 3.17.1-4 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71218
- https://nvd.nist.gov/vuln/detail/CVE-2026-71218
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-08-11 via Microsoft. Affected: azl3 iperf3 3.17.1-4 on Azure Linux 3.0.
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