CVE-2026-33554

ipmi-oem in FreeIPMI before 1.6.17 has exploitable buffer overflows on response messages. The Intelligent Platform Management Interface (IPMI) specification defines a set of interfaces for platform management. It is implemented by a large number of hardware manufacturers to support system management. It is most commonly used for sensor reading (e.g., CPU temperatures through the ipmi-sensors command within FreeIPMI) and remote power control (the ipmipower command). The ipmi-oem client command implements a set of a IPMI OEM commands for specific hardware vendors. If a user has supported hardware, they may wish to use the ipmi-oem command to send a request to a server to retrieve specific information. Three subcommands were found to have exploitable buffer overflows on response messages. They are: "ipmi-oem dell get-last-post-code - get the last POST code and string describing the error on some Dell servers," "ipmi-oem supermicro extra-firmware-info - get extra firmware info on Supermicro servers," and "ipmi-oem wistron read-proprietary-string - read a proprietary string on Wistron servers."

• CWE-121
• CWE-121

• https://ftp.gnu.org/gnu/freeipmi/
• https://savannah.gnu.org/bugs/?68140
• https://savannah.gnu.org/bugs/?68141
• https://savannah.gnu.org/bugs/?68142
• http://www.openwall.com/lists/oss-security/2026/06/03/1

Published

Mar 24, 2026

Last Modified

Jun 17, 2026

Status

Deferred

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