Ubuntu Security Notices USN-8613-1 USN-8613-1: FreeIPMI vulnerabilities Publication date 27 July 2026 Overview Several security issues were fixed in FreeIPMI. Releases 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS 14.04 LTS Open side navigation Close side navigation Packages Details Update instructions References 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 Ubuntu Pro Fix available with Ubuntu Pro . 18.04 LTS bionic freeipmi-tools – 1.4.11-1.1ubuntu4.1+esm1 Ubuntu Pro Fix available with Ubuntu Pro . 16.04 LTS xenial freeipmi-tools – 1.4.11-1.1ubuntu4.1~0.16.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. 14.04 LTS trusty freeipmi-tools – 1.1.5-3ubuntu3.3+esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. 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. Get Ubuntu Pro References CVE-2026-50031 CVE-2026-33554 CVE-2026-50031 CVE-2026-33554