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RHEL 9 : Red Hat build of MicroShift 4.17.49 (RHSA-2026:2746)

high Nessus Plugin ID 299770

Synopsis

The remote Red Hat host is missing a security update for Red Hat build of MicroShift 4.17.49.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:2746 advisory.

 Red Hat build of MicroShift is Red Hat's light-weight Kubernetes orchestration solution designed for edge device deployments and is built from the edge capabilities of Red Hat OpenShift Container Platform.
 MicroShift is an application that is deployed on top of Red Hat Enterprise Linux devices at the edge, providing an efficient way to operate single-node clusters in these low-resource environments.

 This advisory contains the RPM packages for Red Hat build of MicroShift 4.17.49. Read the following advisory for the container images for this release:

 https://access.redhat.com/errata/RHSA-2026:2672

 Security Fix(es):

 * github.com/sirupsen/logrus: github.com/sirupsen/logrus: Denial-of-Service due to large single-line payload (CVE-2025-65637)

 All Red Hat build of MicroShift 4.17 users are advised to use these updated packages and images when they are available in the RPM repository.

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

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

Solution

Update the RHEL Red Hat build of MicroShift 4.17.49 package based on the guidance in RHSA-2026:2746.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2418900

http://www.nessus.org/u?991ae603

https://access.redhat.com/errata/RHSA-2026:2746

Plugin Details

Severity: High

ID: 299770

File Name: redhat-RHSA-2026-2746.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/23/2026

Updated: 2/23/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2025-65637

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:microshift, p-cpe:/a:redhat:enterprise_linux:microshift-multus, p-cpe:/a:redhat:enterprise_linux:microshift-multus-release-info, p-cpe:/a:redhat:enterprise_linux:microshift-release-info, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:microshift-low-latency, p-cpe:/a:redhat:enterprise_linux:microshift-selinux, p-cpe:/a:redhat:enterprise_linux:microshift-olm-release-info, p-cpe:/a:redhat:enterprise_linux:microshift-olm, p-cpe:/a:redhat:enterprise_linux:microshift-networking, p-cpe:/a:redhat:enterprise_linux:microshift-greenboot

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/23/2026

Vulnerability Publication Date: 12/4/2025

Reference Information

CVE: CVE-2025-65637

CWE: 400

RHSA: 2026:2746