CVE-2025-53062: 
MySQL vulnerability analysis and mitigation

CVE-2025-53062 is a vulnerability in Oracle MySQL Server's InnoDB component affecting versions 8.0.0-8.0.43, 8.4.0-8.4.6, and 9.0.0-9.4.0. The vulnerability was disclosed on October 21, 2025, as part of Oracle's Critical Patch Update. This is a high-privileged vulnerability that can be exploited over network protocols (Oracle CPU Oct 2025).

The vulnerability has 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 attack vector is network-based (AV:N) with low attack complexity (AC:L), requiring high privileges (PR:H) and no user interaction (UI:N). The scope is unchanged (S:U) with no impact on confidentiality (C:N) or integrity (I:N), but high impact on availability (A:H) (Oracle CPU Oct 2025).

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. The impact is primarily focused on system availability, with no direct effect on data confidentiality or integrity (Oracle CPU Oct 2025).

Oracle has released patches for affected versions as part of the October 2025 Critical Patch Update. Users are strongly recommended to apply these security patches without delay to address the vulnerability (Oracle CPU Oct 2025).