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CVE-2025-21566

CVE-2025-21566

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.1.0 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

CVSS 6.5 · Medium · EPSS 0.7%

Published
Updated

Stack: system · database

Affected products and versions

  • mysql

    Versions
    • ≥ *, ≤ 9.1.0: Affected (custom)

    No fix published

  • percona-server-5.6 Ubuntu:16.04:LTS

    Versions
    • 5.6.22-rel71.0-0ubuntu2
    • 5.6.22-rel71.0-0ubuntu4
    • 5.6.22-rel71.0-0ubuntu4.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • percona-xtradb-cluster-5.6 Ubuntu:16.04:LTS

    Versions
    • 5.6.21-25.8-0ubuntu2
    • 5.6.21-25.8-0ubuntu3
    • 5.6.21-25.8-0ubuntu3.1
    • 5.6.21-25.8-0ubuntu3.2
    • 5.6.34-26.19-0ubuntu0.16.04.1
    • 5.6.34-26.19-0ubuntu0.16.04.2
    • 5.6.37-26.21-0ubuntu0.16.04.1
    • 5.6.37-26.21-0ubuntu0.16.04.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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