CVE-2020-14550: Canonical Ubuntu Linux

Medium severity, CVSS 5.3. EPSS: 2.2% chance of exploitation in the next 30 days.

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Fedoraproject Fedora: version 31 only; version 32 only; version 33 only
• MariaDB MariaDB: from 5.5.0, before 5.5.61 (fixed in 5.5.61); from 10.0.0, before 10.0.35 (fixed in 10.0.35); from 10.1.0, before 10.1.33 (fixed in 10.1.33); from 10.2.0, before 10.2.15 (fixed in 10.2.15)
• Netapp Active Iq Unified Manager: affected versions not specified
• Netapp Oncommand Insight: affected versions not specified
• Netapp Oncommand Workflow Automation: affected versions not specified
• Oracle MySQL: from 5.6.0, up to and including 5.6.48; from 5.7.0, up to and including 5.7.30; from 8.0.0, up to and including 8.0.20

Published 2020-07-15. Last modified 2026-06-17.