CVE-2026-46863
Public on 2026-06-17
Modified on 2026-06-20
Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | mariadb | Pending Fix | ||
| Amazon Linux 2023 | mariadb1011 | Pending Fix | ||
| Amazon Linux 2023 | mariadb105 | No Fix Planned | ||
| Amazon Linux 2023 | mariadb114 | Pending Fix | ||
| Amazon Linux 2023 | mariadb118 | Pending Fix | ||
| Amazon Linux 2 - Core | perl-DBD-MySQL | Not Affected | ||
| Amazon Linux 2023 | perl-DBD-MySQL | Not Affected | ||
| Amazon Linux 2023 | perl-DateTime-Format-MySQL | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |