CVE-2026-101637: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB). 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 as well as unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/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 level of access does an attacker need?
An attacker needs high privileges and network access through multiple protocols. No user interaction is required.
What could exploitation do?
An attacker could cause a hang or repeatedly crash the affected server or cluster, resulting in complete denial of service. They could also gain unauthorized ability to update, insert, or delete some accessible data.