Detections
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RHEL 10 : mysql8.4 (RHSA-2026:4162)

medium Nessus Plugin ID 301689

Synopsis

The remote Red Hat host is missing one or more security updates for mysql8.4.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:4162 advisory.

 MySQL is a multi-user, multi-threaded SQL database server. MySQL is a client/server implementation consisting of a server daemon (mysqld) and many different client programs and libraries. The base package contains the standard MySQL client programs and generic MySQL files.

 Security Fix(es):

 * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941)

 * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948)

 * mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936)

 * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)

 * mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937)

 * mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)

 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 mysql8.4 package based on the guidance in RHSA-2026:4162.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2431384

https://bugzilla.redhat.com/show_bug.cgi?id=2431385

https://bugzilla.redhat.com/show_bug.cgi?id=2431402

https://bugzilla.redhat.com/show_bug.cgi?id=2431409

https://bugzilla.redhat.com/show_bug.cgi?id=2431413

https://bugzilla.redhat.com/show_bug.cgi?id=2431431

http://www.nessus.org/u?cb1a2f14

https://access.redhat.com/errata/RHSA-2026:4162

Plugin Details

Severity: Medium

ID: 301689

File Name: redhat-RHSA-2026-4162.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/10/2026

Updated: 3/10/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-21968

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/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-2026-21948

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:mysql8.4-libs, p-cpe:/a:redhat:enterprise_linux:mysql8.4-common, p-cpe:/a:redhat:enterprise_linux:mysql8.4-devel, p-cpe:/a:redhat:enterprise_linux:mysql8.4-errmsg, p-cpe:/a:redhat:enterprise_linux:mysql8.4-test, p-cpe:/a:redhat:enterprise_linux:mysql8.4-server, cpe:/o:redhat:enterprise_linux:10.1, p-cpe:/a:redhat:enterprise_linux:mysql8.4, p-cpe:/a:redhat:enterprise_linux:mysql8.4-test-data

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: 3/10/2026

Vulnerability Publication Date: 1/20/2026

Reference Information

CVE: CVE-2026-21936, CVE-2026-21937, CVE-2026-21941, CVE-2026-21948, CVE-2026-21964, CVE-2026-21968

RHSA: 2026:4162