CVE-2007-3527: Firebirdsql Firebird

Medium severity, CVSS 6.8. EPSS: 1.6% chance of exploitation in the next 30 days.

Integer overflow in Firebird 2.0.0 allows remote authenticated users to cause a denial of service (CPU consumption) via certain database operations with multi-byte character sets that trigger an attempt to use the value 65536 for a 16-bit integer, which is treated as 0 and causes an infinite loop on zero-length data.

Affected products

Published 2007-07-03. Last modified 2026-06-16.