RHEL 9 : freeipmi (RHSA-2026:39006)

high Nessus Plugin ID 326516

Synopsis

The remote Red Hat host is missing one or more security updates for freeipmi.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:39006 advisory.

The freeipmi packages contain an Intelligent Platform Management Interface (IPMI) remote console and system management software based on the IPMI specification.

Security Fix(es):

* freeipmi: buffer overflows on response messages via ipmi-oem (CVE-2026-33554)

* freeipmi: FreeIPMI: Denial of service via buffer overflow in ipmi-oem client (CVE-2026-50031)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL freeipmi package based on the guidance in RHSA-2026:39006.

See Also

https://access.redhat.com/errata/RHSA-2026:39006

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2450778

https://bugzilla.redhat.com/show_bug.cgi?id=2484296

http://www.nessus.org/u?816d32d8

Plugin Details

Severity: High

ID: 326516

File Name: redhat-RHSA-2026-39006.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/13/2026

Updated: 7/13/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-33554

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-50031

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:freeipmi-ipmiseld, cpe:/o:redhat:rhel_eus:9.6, p-cpe:/a:redhat:enterprise_linux:freeipmi, p-cpe:/a:redhat:enterprise_linux:freeipmi-devel, p-cpe:/a:redhat:enterprise_linux:freeipmi-bmc-watchdog, p-cpe:/a:redhat:enterprise_linux:freeipmi-ipmidetectd

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 7/13/2026

Vulnerability Publication Date: 3/24/2026

Reference Information

CVE: CVE-2026-33554, CVE-2026-50031

CWE: 120

RHSA: 2026:39006