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.
Affected products
Rocky Linux 9 aarch64
Rocky Linux 9 ppc64le
Rocky Linux 9 s390x
Rocky Linux 9 x86_64
Fixes
2460984
CVEs
CVE-2026-71217
Affected packages
Rocky Linux 9 aarch64 - AppStream
iperf3-0:3.9-17.el9_8.1.aarch64.rpm
iperf3-0:3.9-17.el9_8.1.src.rpm
iperf3-debuginfo-0:3.9-17.el9_8.1.aarch64.rpm
iperf3-debugsource-0:3.9-17.el9_8.1.aarch64.rpm
Rocky Linux 9 x86_64 - AppStream
iperf3-0:3.9-17.el9_8.1.i686.rpm
iperf3-0:3.9-17.el9_8.1.src.rpm
iperf3-0:3.9-17.el9_8.1.x86_64.rpm
iperf3-debuginfo-0:3.9-17.el9_8.1.i686.rpm
iperf3-debuginfo-0:3.9-17.el9_8.1.x86_64.rpm
iperf3-debugsource-0:3.9-17.el9_8.1.i686.rpm
iperf3-debugsource-0:3.9-17.el9_8.1.x86_64.rpm
Rocky Linux 9 ppc64le - AppStream
iperf3-0:3.9-17.el9_8.1.ppc64le.rpm
iperf3-0:3.9-17.el9_8.1.src.rpm
iperf3-debuginfo-0:3.9-17.el9_8.1.ppc64le.rpm
iperf3-debugsource-0:3.9-17.el9_8.1.ppc64le.rpm
Rocky Linux 9 s390x - AppStream
iperf3-0:3.9-17.el9_8.1.s390x.rpm
iperf3-0:3.9-17.el9_8.1.src.rpm
iperf3-debuginfo-0:3.9-17.el9_8.1.s390x.rpm
iperf3-debugsource-0:3.9-17.el9_8.1.s390x.rpm