PT-2026-27437 · Wistron+4 · Wistron Servers+4

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CVE-2026-33554

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Published

2026-01-01

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Updated

2026-06-03

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions FreeIPMI versions prior to 1.16.17
Description The Intelligent Platform Management Interface (IPMI) specification defines a set of interfaces for platform management and is implemented by numerous hardware manufacturers to support system management. It is commonly used for sensor reading and remote power control. The ipmi-oem client command implements IPMI OEM commands for specific hardware vendors. Three subcommands were found to have exploitable buffer overflows in response messages: 'ipmi-oem dell get-last-post-code' for retrieving the last POST code and error description on some Dell servers, 'ipmi-oem supermicro extra-firmware-info' for obtaining extra firmware information on Supermicro servers, and 'ipmi-oem wistron read-proprietary-string' for reading a proprietary string on Wistron servers.
Recommendations Versions prior to 1.16.17 should be updated to version 1.16.17 or later.

Fix

DoS

Stack Overflow

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Weakness Enumeration

Related Identifiers

ALSA-2026:13515
ALSA-2026:14819
ALSA-2026:19053
ALSA-2026:19208
ALSA-2026:20579
CVE-2026-33554
MGASA-2026-0078
OESA-2026-1737
OESA-2026-1738
OESA-2026-1739
OESA-2026-1740
OESA-2026-1741
OPENSUSE-SU-2026:10436-1
OPENSUSE-SU-2026:20556-1
RHSA-2026:13515
RHSA-2026:14819
RHSA-2026:19053
RHSA-2026:19208
RHSA-2026:20579
SUSE-SU-2026:21212-1
SUSE-SU-2026:21231-1

Affected Products

Dell Servers
Freeipmi
Rocky Linux
Supermicro Servers
Wistron Servers