RHSA-2023:4570 — Security Advisory

Red Hat Security Advisory: iperf3 security update

Loading…

Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · August 9, 2023

Updated · November 22, 2025

Topic

An update for iperf3 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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: memory allocation hazard and crash (CVE-2023-38403)

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.

Related CVEs

RHSA-2023:4570 — Red Hat Security Advisory: iperf3 security update | PulseLinux