Amazon Linux 2023 : mariadb1011, mariadb1011-backup, mariadb1011-client-utils (ALAS2023-2026-1811)

medium Nessus Plugin ID 319840

Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1811 advisory.

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2026-34303)

In MariaDB server version through 11.8.5, when server audit plugin is enabled with server_audit_events variable configured with QUERY_DCL, QUERY_DDL, or QUERY_DML filtering, if an authenticated database user invokes a SQL statement prefixed with double-hyphen (--) or hash (#) style comments, the statement is not logged. (CVE-2026-3494)

Tenable has extracted the preceding description block directly from the tested product 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

Run 'dnf update mariadb1011 --releasever 2023.12.20260608' or or 'dnf update --advisory ALAS2023-2026-1811 --releasever 2023.12.20260608' to update your system.

See Also

https://alas.aws.amazon.com//AL2023/ALAS2023-2026-1811.html

https://alas.aws.amazon.com/faqs.html

https://explore.alas.aws.amazon.com/CVE-2026-34303.html

https://explore.alas.aws.amazon.com/CVE-2026-3494.html

Plugin Details

Severity: Medium

ID: 319840

File Name: al2023_ALAS2023-2026-1811.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/8/2026

Updated: 6/8/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

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

CVSS Score Source: CVE-2026-3494

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

CVSS Score Source: CVE-2026-34303

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 2.1

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:mariadb1011-client-utils, p-cpe:/a:amazon:linux:mariadb1011-errmsg, p-cpe:/a:amazon:linux:mariadb1011-connect-engine, p-cpe:/a:amazon:linux:mariadb1011-pam-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-connect-engine-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-sphinx-engine-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-cracklib-password-check-debuginfo, p-cpe:/a:amazon:linux:mariadb1011, p-cpe:/a:amazon:linux:mariadb1011-devel, p-cpe:/a:amazon:linux:mariadb1011-backup-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-sphinx-engine, p-cpe:/a:amazon:linux:mariadb1011-cracklib-password-check, p-cpe:/a:amazon:linux:mariadb1011-pam, p-cpe:/a:amazon:linux:mariadb1011-test, p-cpe:/a:amazon:linux:mariadb1011-test-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-gssapi-server-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-server, p-cpe:/a:amazon:linux:mariadb1011-server-utils, p-cpe:/a:amazon:linux:mariadb1011-server-utils-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-oqgraph-engine-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-server-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-rocksdb-engine-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-common, p-cpe:/a:amazon:linux:mariadb1011-debuginfo, p-cpe:/a:amazon:linux:mariadb1011-rocksdb-engine, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:mariadb1011-oqgraph-engine, p-cpe:/a:amazon:linux:mariadb1011-gssapi-server, p-cpe:/a:amazon:linux:mariadb1011-debugsource, p-cpe:/a:amazon:linux:mariadb1011-backup

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/8/2026

Vulnerability Publication Date: 3/3/2026

Reference Information

CVE: CVE-2026-34303, CVE-2026-3494