CVE-2025-53062: 
MySQL 脆弱性の分析と軽減

A vulnerability has been identified in Oracle MySQL Server's InnoDB component, tracked as CVE-2025-53062. The affected versions include MySQL Server 8.0.0-8.0.43, 8.4.0-8.4.6, and 9.0.0-9.4.0. This vulnerability was disclosed on October 21, 2025, as part of Oracle's Critical Patch Update (Oracle Advisory).

The vulnerability has been assigned a CVSS 3.1 Base Score of 4.9 (Medium severity). The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H, indicating that it is network-accessible (AV:N), requires low attack complexity (AC:L), high privileges (PR:H), no user interaction (UI:N), has unchanged scope (S:U), and only impacts availability (A:H) with no impact on confidentiality or integrity (Oracle Advisory).

When successfully exploited, 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 limited to availability with no compromise of confidentiality or integrity (Oracle Advisory).

Oracle has released security patches for the affected versions as part of the October 2025 Critical Patch Update. Users are strongly advised to apply these security patches as soon as possible to mitigate the risk of successful attacks (Oracle Advisory).