CVE-2017-6369: Firebirdsql Firebird

High severity, CVSS 8.8. EPSS: 3.3% chance of exploitation in the next 30 days.

Insufficient checks in the UDF subsystem in Firebird 2.5.x before 2.5.7 and 3.0.x before 3.0.2 allow remote authenticated users to execute code by using a 'system' entrypoint from fbudf.so.

Affected products

• Firebirdsql Firebird: from 2.5.0, before 2.5.7 (fixed in 2.5.7); from 3.0.0, before 3.0.2 (fixed in 3.0.2)

Published 2017-03-24. Last modified 2026-06-17.