Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability allows high 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

An update of the mysql package has been released.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability     allows high 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-2025-53042)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7873-1 advisory.

    Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to     fix these issues.

    MySQL has been updated to 8.0.44 in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. Ubuntu 25.04 and Ubuntu 25.10     have been updated to MySQL 8.4.7.

    In addition to security fixes, the updated packages contain bug fixes, new features, and possibly     incompatible changes.

    Please see the following for more information:

    https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-44.html     https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-7.html https://www.oracle.com/security-     alerts/cpuoct2025.html

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

The versions of MySQL Server installed on the remote host are affected by multiple vulnerabilities as referenced in the October 2025 CPU advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected     are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability allows high privileged attacker with     network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in     unauthorized update, insert or delete access to some of MySQL Server accessible data. (CVE-2025-53054)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected     are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability allows high privileged attacker with     network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in     unauthorized update, insert or delete access to some of MySQL Server accessible data. (CVE-2025-53053)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are     affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability allows high 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-2025-53040)

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

ID	Name	Product	Family	Severity
276941	Photon OS 5.0: Mysql PHSA-2025-5.0-0693	Nessus	PhotonOS Local Security Checks	medium
276858	Linux Distros Unpatched Vulnerability : CVE-2025-53042	Nessus	Misc.	medium
276480	Ubuntu 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : MySQL vulnerabilities (USN-7873-1)	Nessus	Ubuntu Local Security Checks	medium
271432	Photon OS 4.0: Mysql PHSA-2025-4.0-0894	Nessus	PhotonOS Local Security Checks	medium
271376	Oracle MySQL Server 8.4.x < 8.4.7 (October 2025 CPU)	Nessus	Databases	medium
271375	Oracle MySQL Server 8.0.x < 8.0.44 (October 2025 CPU)	Nessus	Databases	medium
271374	Oracle MySQL Server 9.x.x < 9.5.0 (October 2025 CPU)	Nessus	Databases	medium

Detections

Analytics

CVE-2025-53042

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium

medium