CVE-2021-2389: Fedoraproject Fedora

Medium severity, CVSS 5.9. EPSS: 8.1% chance of exploitation in the next 30 days.

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated 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 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Affected products

  • Fedoraproject Fedora: version 34 only; version 35 only
  • MariaDB MariaDB: from 10.2.0, before 10.2.40 (fixed in 10.2.40); from 10.3.0, before 10.3.31 (fixed in 10.3.31); from 10.4.0, before 10.4.21 (fixed in 10.4.21); from 10.5.0, before 10.5.12 (fixed in 10.5.12); from 10.6.0, before 10.6.4 (fixed in 10.6.4)
  • Netapp Active Iq Unified Manager: affected versions not specified
  • Netapp Oncommand Insight: affected versions not specified
  • Netapp Oncommand Workflow Automation: affected versions not specified
  • Netapp Snapcenter: affected versions not specified
  • Oracle MySQL Server: from 5.7.0, up to and including 5.7.34; from 8.0.0, up to and including 8.0.25

Published 2021-07-21. Last modified 2026-06-17.