USN-8613-1: FreeIPMI vulnerabilities

Publication date

27 July 2026

Overview

Several security issues were fixed in FreeIPMI.


Packages

  • freeipmi - in-band and out-of-band Intelligent Platform Management Interface

Details

Zhihan Zheng discovered that FreeIPMI had several buffer overflow
vulnerabilities in ipmi-oem response message handling. A local attacker
with control a malicious IPMI device or simulator could possibly cause
FreeIPMI to crash, resulting in a denial of service. (CVE-2026-33554,
CVE-2026-50031)

Zhihan Zheng discovered that FreeIPMI had several buffer overflow
vulnerabilities in ipmi-oem response message handling. A local attacker
with control a malicious IPMI device or simulator could possibly cause
FreeIPMI to crash, resulting in a denial of service. (CVE-2026-33554,
CVE-2026-50031)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute freeipmi-tools –  1.6.16-1ubuntu0.1
24.04 LTS noble freeipmi-tools –  1.6.13-3ubuntu0.1
22.04 LTS jammy freeipmi-tools –  1.6.9-2ubuntu0.22.04.3
20.04 LTS focal freeipmi-tools –  1.6.4-3ubuntu1.1+esm1  
18.04 LTS bionic freeipmi-tools –  1.4.11-1.1ubuntu4.1+esm1  
16.04 LTS xenial freeipmi-tools –  1.4.11-1.1ubuntu4.1~0.16.04.1~esm1  
14.04 LTS trusty freeipmi-tools –  1.1.5-3ubuntu3.3+esm1  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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