UBUNTU-CVE-2026-101797: High severity ubuntu/mysql-5.5 vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client: mysqldump). 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/mysql-8.0to a version that resolves this vulnerability.Fixed in 8.0.46-0ubuntu0.22.04.5 - Upgrade
Upgrade
ubuntu/mysql-8.0to a version that resolves this vulnerability.Fixed in 8.0.46-0ubuntu0.24.04.5 - Upgrade
Upgrade
ubuntu/mysql-9.7to a version that resolves this vulnerability.Fixed in 9.7.4-0ubuntu0.26.10.1 - Upgrade
Upgrade
ubuntu/mysql-8.4to a version that resolves this vulnerability.Fixed in 8.4.13-0ubuntu0.26.04.2
Event History
Frequently Asked Questions
Which deployments should be prioritized for review?
Review MySQL Server versions 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1. MySQL Cluster versions 8.0.0 through 8.0.49, 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1 are also identified as affected.
What conditions are required for exploitation?
An unauthenticated attacker needs network access through multiple protocols, but exploitation is rated difficult. The attack also requires interaction by someone other than the attacker.
Are the listed Ubuntu package names and versions confirmed as affected?
The available data lists Ubuntu package names but does not provide affected Ubuntu package versions or a package-to-upstream-version mapping. Verify the installed package version against Ubuntu security information before determining exposure.
What is the potential consequence of a successful attack?
A successful attack can result in takeover of MySQL Server or MySQL Cluster. The stated impact includes loss of confidentiality, integrity, and availability.