Red Hat Security Advisory

RHSA-2026:1881

iperf3 security update

Released 2026-02-04 · Red Hat rating Moderate · View on Red Hat →

Fixed in

TI-2025-34171 CVE-2025-54349 · GHSA-8xx8-qrh3-q8mq

MEDIUM 43

In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.

CVSS 3.1CRITICAL 10.0 Network No auth No interaction EPSS 0.00468 Published 2025-08-03 Fixed in 3.19.1 CWE-193