CVE-2012-5615: MariaDB

Medium severity, CVSS 5.0. EPSS: 14.8% chance of exploitation in the next 30 days.

Oracle MySQL 5.5.38 and earlier, 5.6.19 and earlier, and MariaDB 5.5.28a, 5.3.11, 5.2.13, 5.1.66, and possibly other versions, generates different error messages with different time delays depending on whether a user name exists, which allows remote attackers to enumerate valid usernames.

Affected products

• MariaDB MariaDB: version 5.1.66 only; version 5.2.13 only; version 5.3.11 only; version 5.5.28a only
• Oracle MySQL: version 5.5.19 only

Published 2012-12-03. Last modified 2026-06-16.