CVE-2025-53067
MySQL vulnerability analysis and mitigation

Overview

A vulnerability has been identified in the MySQL Server product of Oracle MySQL (component: Server: Optimizer), affecting supported versions 9.0.0-9.4.0. This vulnerability was disclosed in October 2025 and is tracked as CVE-2025-53067 (Oracle Security).

Technical details

The vulnerability has been assigned a CVSS 3.1 Base Score of 4.9 (Medium severity) with the following vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. The vulnerability is characterized as easily exploitable by a high-privileged attacker with network access via multiple protocols (NVD).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash, leading to a complete Denial of Service (DoS) of MySQL Server. The impact is primarily focused on availability, with no direct impact on confidentiality or integrity (Oracle Security).

Mitigation and workarounds

Oracle has released security patches as part of the October 2025 Critical Patch Update. Organizations are strongly recommended to apply these security patches without delay to address this vulnerability (Oracle Security).

Additional resources


SourceThis report was generated using AI

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Published date

CVE-2025-53054MEDIUM5.5
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