Detections
Analytics

Oracle MySQL Server 8.4.x < 8.4.9 (April 2026 CPU)

critical Nessus Plugin ID 309899

Synopsis

The remote host is affected by multiple vulnerabilities

Description

The versions of MySQL Server installed on the remote host are affected by multiple vulnerabilities as referenced in the April 2026 CPU advisory.

 - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (OpenSSL)). 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 unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. (CVE-2025-15467)

 - 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.
 (CVE-2026-22009)

 - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (curl)). 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. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server.
 Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server accessible data as well as unauthorized access to critical data or complete access to all MySQL Server accessible data.
 (CVE-2025-14017)

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

Solution

Apply the appropriate patch according to the April 2026 Oracle Critical Patch Update advisory.

See Also

https://www.oracle.com/security-alerts/cpuapr2026.html

https://www.oracle.com/docs/tech/security-alerts/cpuapr2026csaf.json

Plugin Details

Severity: Critical

ID: 309899

File Name: mysql_8_4_9.nasl

Version: 1.1

Type: Combined

Agent: windows, macosx, unix

Family: Databases

Published: 4/23/2026

Updated: 4/23/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Critical

Base Score: 10

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

CVSS Score Source: CVE-2025-15467

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/a:oracle:mysql

Required KB Items: installed_sw/MySQL Server

Patch Publication Date: 4/21/2026

Vulnerability Publication Date: 4/21/2026

Reference Information

CVE: CVE-2025-14017, CVE-2025-15467, CVE-2026-21998, CVE-2026-22001, CVE-2026-22002, CVE-2026-22004, CVE-2026-22005, CVE-2026-22009, CVE-2026-22015, CVE-2026-22017, CVE-2026-34270, CVE-2026-34271, CVE-2026-34276, CVE-2026-34303, CVE-2026-34304, CVE-2026-34308, CVE-2026-35236, CVE-2026-35237, CVE-2026-35238, CVE-2026-35239, CVE-2026-35240