CVE-2021-27928: Debian Linux

High severity, CVSS 7.2. EPSS: 38.4% chance of exploitation in the next 30 days.

A remote code execution issue was discovered in MariaDB 10.2 before 10.2.37, 10.3 before 10.3.28, 10.4 before 10.4.18, and 10.5 before 10.5.9; Percona Server through 2021-03-03; and the wsrep patch through 2021-03-03 for MySQL. An untrusted search path leads to eval injection, in which a database SUPER user can execute OS commands after modifying wsrep_provider and wsrep_notify_cmd. NOTE: this does not affect an Oracle product.

Affected products

• Debian Debian Linux: version 9.0 only
• Galeracluster Wsrep: up to and including 2021-03-03
• MariaDB MariaDB: from 10.2, before 10.2.37 (fixed in 10.2.37); from 10.3, before 10.3.28 (fixed in 10.3.28); from 10.4, before 10.4.18 (fixed in 10.4.18); from 10.5, before 10.5.9 (fixed in 10.5.9)
• Percona Percona Server: up to and including 2021-03-03

Published 2021-03-19. Last modified 2026-06-17.