What is CVE-2026-71217?

CVE-2026-71217 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Iperf3: iperf3 server accepts unbounded peer-controlled json parameters enabling remote denial of service via resource exhaustion

Which CVE IDs does CVE-2026-71217 cover?

CVE-2026-71217 covers the following CVE IDs: CVE-2026-71217. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-71217?

CVE-2026-71217 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-71217?

CVE-2026-71217 affects 1 product, including: azl3 iperf3 3.17.1-4 on Azure Linux 3.0.

CVE-2026-71217HighCVSS 7.5

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

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-71217 →

🎯 Affected products1

azl3 iperf3 3.17.1-4 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 3.17.1-5

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71217
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade