diff -Nrup libdbd-firebird-perl-1.15.orig/dbdimp.c libdbd-firebird-perl-1.15/dbdimp.c
--- libdbd-firebird-perl-1.15.orig/dbdimp.c	2015-03-13 14:13:37.706843930 +0100
+++ libdbd-firebird-perl-1.15/dbdimp.c	2015-03-13 14:15:10.546301032 +0100
@@ -2257,8 +2257,8 @@ static int ib_fill_isqlda(SV *sth, imp_s
             string = SvPV(value, len);
 
             if (len > ivar->sqllen) {
-                char err[80];
-                sprintf(err, "String truncation (SQL_VARYING): attempted to bind %lu octets to column sized %lu",
+                char err[100];
+                snprintf(err, sizeof(err), "String truncation (SQL_VARYING): attempted to bind %lu octets to column sized %lu",
                         (long unsigned)len, (long unsigned)(sizeof(char) * (ivar->sqllen)));
                 break;
             }
@@ -2280,8 +2280,8 @@ static int ib_fill_isqlda(SV *sth, imp_s
             string = SvPV(value, len);
 
             if (len > ivar->sqllen) {
-                char err[80];
-                sprintf(err, "String truncation (SQL_TEXT): attempted to bind %lu octets to column sized %lu",
+                char err[10];
+                snprintf(err, sizeof(err), String truncation (SQL_TEXT): attempted to bind %lu octets to column sized %lu",
                         (long unsigned)len, (long unsigned)(sizeof(char) * (ivar->sqllen)));
                 break;
             }