CVE-2016-3477: Canonical Ubuntu Linux

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Unspecified vulnerability in Oracle MySQL 5.5.49 and earlier, 5.6.30 and earlier, and 5.7.12 and earlier and MariaDB before 5.5.50, 10.0.x before 10.0.26, and 10.1.x before 10.1.15 allows local users to affect confidentiality, integrity, and availability via vectors related to Server: Parser.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only; version 16.04 only
• Debian Debian Linux: version 8.0 only
• IBM Powerkvm: version 2.1 only; version 3.1 only
• MariaDB MariaDB: from 5.5.20, before 5.5.50 (fixed in 5.5.50); from 10.0.0, before 10.0.26 (fixed in 10.0.26); from 10.1.0, before 10.1.15 (fixed in 10.1.15)
• Oracle Linux: version 7 only
• Oracle MySQL: from 5.5.0, up to and including 5.5.49; from 5.6.0, up to and including 5.6.30; from 5.7.0, up to and including 5.7.12

Published 2016-07-21. Last modified 2026-06-17.