Disclosure summary
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 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).
Source-reported weakness categories
CWE-400
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-53044
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| oracle | mysql_server | * {"versionStartIncluding":"9.0.0","versionEndIncluding":"9.4.0"} |
Microsoft Security Updates (CVRF) · 2025-Oct
Open original source · Updated Oct 22, 2025
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 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).
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 4.9
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 mysql 8.0.43-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 mysql 8.0.43-1 on CBL Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 8.0.44-2 · product IDs 20440-17084, 19570-17086
- Vendor guidance · product IDs 20440-17084, 19570-17086
Original records & references
- NIST NVD record
- CVE Program record
- www.oracle.com — Vendor Advisory
PUBLISHED 2025-10-21T16:20:41-04:00
MODIFIED 2026-10-08T07:10:00-04:00
INGESTED 2026-10-08T12:30:43-04:00