UBUNTU-CVE-2026-101752: Medium severity ubuntu/mysql-5.5 vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Components Services). 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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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
ubuntu/mysql-9.7to a version that resolves this vulnerability.Fixed in 9.7.4-0ubuntu0.26.10.1
Event History
Frequently Asked Questions
What level of access would an attacker need?
Exploitation requires a high-privileged attacker with network access to the affected MySQL Server or MySQL Cluster instance. The vulnerability is rated as difficult to exploit and does not require user interaction.
What is the expected security impact?
A successful attack can cause a server hang or a repeatedly triggered crash, resulting in a complete denial of service. The provided CVSS vector indicates no confidentiality or integrity impact.
Which upstream versions are explicitly identified as affected?
The affected MySQL Server and MySQL Cluster version ranges are 9.7.0 through 9.7.3 and 26.7.0 through 26.7.1.