CVE-2006-7211: Firebirdsql Firebird

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

fb_lock_mgr in Firebird 1.5 uses weak permissions (0666) for the semaphore array, which allows local users to cause a denial of service (blocked query processing) by locking semaphores.

Affected products

• Firebirdsql Firebird: version 1.5 only

Published 2007-06-29. Last modified 2026-06-16.