CVE-2025-53069: 
MySQL 脆弱性の分析と軽減

A vulnerability has been identified in Oracle MySQL Server's Components Services module, tracked as CVE-2025-53069. The vulnerability affects MySQL Server versions 8.0.0-8.0.43, 8.4.0-8.4.6, and 9.0.0-9.4.0. This security issue was disclosed on October 21, 2025, as part of Oracle's Critical Patch Update (Oracle CPU).

The vulnerability is characterized by a CVSS 3.1 Base Score of 4.9, indicating a medium severity level. The vulnerability requires a high-privileged attacker with network access via multiple protocols to exploit. The CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H), which indicates network attack vector, low attack complexity, high privileges required, no user interaction needed, unchanged scope, and high impact on availability (Oracle CPU, NVD).

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 system availability, with no direct impact on confidentiality or integrity (Oracle CPU).

Oracle has released patches for the affected versions as part of its October 2025 Critical Patch Update. Users are strongly advised to update their MySQL Server installations to the latest patched versions. The update addresses versions 8.0.0-8.0.43, 8.4.0-8.4.6, and 9.0.0-9.4.0 (Oracle CPU).