Issued at: 2026-08-31
Updated at: 2026-09-01
Advisory content derived from Red Hat RHSA-2026:61257, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: iperf3 security update
Description
Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss.
Security Fix(es):
* iperf3: iperf3 server accepts unbounded peer-controlled JSON parameters enabling remote denial of service via resource exhaustion (CVE-2026-71217)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.