CVE-2026-101756: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: GIS). Supported versions that are affected are MySQL Server: 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 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 Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/mysql-9.7to a version that resolves this vulnerability.Fixed in 9.7.4-2
Event History
Frequently Asked Questions
Which deployments are affected?
Affected supported versions are MySQL Server 9.7.0 through 9.7.3 and 26.7.0 through 26.7.1, and MySQL Cluster 9.7.0 through 9.7.3 and 26.7.0 through 26.7.1.
What access does an attacker need to exploit this issue?
An attacker needs high privileges and network access through multiple protocols. No user interaction is required.
What is the expected impact of successful exploitation?
Successful exploitation can cause MySQL Server or MySQL Cluster to hang or repeatedly crash, resulting in a complete denial of service. The provided CVSS vector indicates no confidentiality or integrity impact.