CVE-2026-101730 mysql: mysql: Denial of Service via Server Optimizer component
MediumCVSS 4.9
EPSS 0.45%
- Published
- Updated
- Exploit status
- No public exploit known
Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. 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).
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| oracle MySQL | = 8.4.0-8.4.12 | No fix listed |
| oracle MySQL | = 9.7.0-9.7.3 | No fix listed |
| oracle MySQL | = 26.7.0-26.7.1 | No fix listed |
| oracle MySQL Cluster | = 8.0.0-8.0.49 | No fix listed |
| oracle MySQL Cluster | = 8.4.0-8.4.12 | No fix listed |
| oracle MySQL Cluster | = 9.7.0-9.7.3 | No fix listed |
| oracle MySQL Cluster | = 26.7.0-26.7.1 | No fix listed |
| redhat/mysql8.4(Red Hat:enterprise_linux:10.3) | < 8.4.13-1.el10_3 | 8.4.13-1.el10_3 |
| redhat/mysql:8.4-9090020261109101507.rhel9(Red Hat:enterprise_linux:9) | All versions | No fix listed |
| redhat/mysql(Red Hat:rhel_els:6) | All versions | No fix listed |
| redhat/mysql:8.4/mysql(Red Hat:enterprise_linux:8) | All versions | No fix listed |
| ubuntu/mariadb-10.6(Ubuntu:22.04) | All versions | No fix listed |
| ubuntu/mysql-8.0(Ubuntu:22.04) | < 8.0.46-0ubuntu0.22.04.5 | 8.0.46-0ubuntu0.22.04.5 |
| ubuntu/mariadb(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/mysql-8.0(Ubuntu:24.04) | < 8.0.46-0ubuntu0.24.04.5 | 8.0.46-0ubuntu0.24.04.5 |
| ubuntu/mariadb(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/mysql-8.4(Ubuntu:26.04) | < 8.4.13-0ubuntu0.26.04.2 | 8.4.13-0ubuntu0.26.04.2 |
| ubuntu/mariadb(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/mysql-9.7(Ubuntu:26.10) | < 9.7.4-0ubuntu0.26.10.1 | 9.7.4-0ubuntu0.26.10.1 |
References
- Red Hat CVE page vendor-advisory
- Red Hat Bugzilla 2557518 issue-tracking
- www.cve.org
- nvd.nist.gov
- Oracle Advisory vendor-advisory
- Ubuntu CVE tracker vendor-advisory
- RHSA-2026:99720 patch vendor-advisory
- RHSA-2026:99741 patch vendor-advisory
- USN-9046-1 vendor-advisory