Firebird Remove Buffer Overflow Proof of concept was posted on BugTraq The bug is the one fixed in the next stable releases and is not present in firebird 2.1 rc1& rc2 here is the description: Integer overflow in Firebird SQL 1.0.3 and earlier, 1.5.x before 1.5.6, 2.0.x before 2.0.4, and 2.1.x before 2.1.0 RC1 might allow [...]