SB2026012970 - Red Hat Enterprise Linux 9 update for iperf3 



SB2026012970 - Red Hat Enterprise Linux 9 update for iperf3

Published: January 29, 2026

Security Bulletin ID SB2026012970
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Off-by-one (CVE-ID: CVE-2025-54349)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an off-by-one error in iperf_auth.c. A remote attacker can trigger an off-by-one error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.