diff --git a/src/libmdb/data.c b/src/libmdb/data.c
index bd38445..738d6df 100644
--- a/src/libmdb/data.c
+++ b/src/libmdb/data.c
@@ -494,10 +494,10 @@ void mdb_data_dump(MdbTableDef *table)
 {
 	unsigned int i;
 	int ret;
-	char *bound_values[MDB_MAX_COLS]; 
+	char **bound_values = calloc(table->num_cols, sizeof(char *));
 
 	for (i=0;i<table->num_cols;i++) {
-		bound_values[i] = (char *) g_malloc(256);
+		bound_values[i] = (char *) g_malloc(MDB_BIND_SIZE);
 		ret = mdb_bind_column(table, i+1, bound_values[i], NULL);
 		if (ret == -1) {
 			fprintf(stderr, "error binding column %d\n", i+1);
@@ -516,6 +516,7 @@ void mdb_data_dump(MdbTableDef *table)
 	for (i=0;i<table->num_cols;i++) {
 		g_free(bound_values[i]);
 	}
+	free(bound_values);
 }
 
 int mdb_is_fixed_col(MdbColumn *col)
diff --git a/src/util/mdb-import.c b/src/util/mdb-import.c
index 65a1ddb..15993be 100644
--- a/src/util/mdb-import.c
+++ b/src/util/mdb-import.c
@@ -151,7 +151,7 @@ main(int argc, char **argv)
 	int i, row;
 	MdbHandle *mdb;
 	MdbTableDef *table;
-	MdbField fields[256];
+	MdbField *fields;
 	char line[MAX_ROW_SIZE];
 	int num_fields;
 	/* doesn't handle tables > 256 columns.  Can that happen? */
@@ -207,13 +207,14 @@ main(int argc, char **argv)
 		exit(1);
 	}
 	for (i=0;i<header_rows;i++)
-		if (!fgets(line, MAX_ROW_SIZE, in)) {
+		if (!fgets(line, sizeof(line), in)) {
 			fprintf(stderr, "Error while reading header column #%d. Check -H parameter.\n", i);
 			exit(1);
 		}
 
 	row = 1;
-	while (fgets(line, MAX_ROW_SIZE, in)) {
+	fields = calloc(table->num_cols, sizeof(MdbField));
+	while (fgets(line, sizeof(line), in)) {
 		num_fields = prep_row(table, line, fields, delimiter);
 		if (!num_fields) {
 			fprintf(stderr, "Aborting import at row %d\n", row);
@@ -231,6 +232,7 @@ main(int argc, char **argv)
 
 	g_option_context_free(opt_context);
 	g_free(delimiter);
+	free(fields);
 	return 0;
 }
 
diff --git a/src/util/mdb-prop.c b/src/util/mdb-prop.c
index 9e9dc24..9acb4ae 100644
--- a/src/util/mdb-prop.c
+++ b/src/util/mdb-prop.c
@@ -25,7 +25,7 @@ main(int argc, char **argv)
 {
 	MdbHandle *mdb;
 	MdbTableDef *table;
-	gchar name[256];
+	char *name;
 	gchar *propColName;
 	void *buf;
 	int col_num;
@@ -54,10 +54,12 @@ main(int argc, char **argv)
 	mdb_read_columns(table);
 	mdb_rewind_table(table);
 
+	name = g_malloc(mdb->bind_size);
+	buf = g_malloc(mdb->bind_size);
 	mdb_bind_column_by_name(table, "Name", name, NULL);
-	buf = g_malloc(MDB_BIND_SIZE);
 	col_num = mdb_bind_column_by_name(table, propColName, buf, NULL);
 	if (col_num < 1) {
+		g_free(name);
 		g_free(buf);
 		mdb_free_tabledef(table);
 		mdb_close(mdb);
@@ -83,6 +85,7 @@ main(int argc, char **argv)
 		free(kkd);
 	}
 
+	g_free(name);
 	g_free(buf);
 	mdb_free_tabledef(table);
 	mdb_close(mdb);
diff --git a/src/util/mdb-queries.c b/src/util/mdb-queries.c
index ab8d7bc..69d34fe 100644
--- a/src/util/mdb-queries.c
+++ b/src/util/mdb-queries.c
@@ -51,21 +51,21 @@ int main (int argc, char **argv) {
 	char *query_id;
     size_t bind_size = QUERY_BIND_SIZE;
 	
-	// variables for the msysqueries table. hopefully 256 is big enough
-	char *attribute = (char *) malloc(bind_size);
-	char *expression = (char *) malloc(bind_size);
-	char *flag = (char *) malloc(bind_size);
-	char *name1 = (char *) malloc(bind_size);
-	char *name2 = (char *) malloc(bind_size);
-	char *objectid = (char *) malloc(bind_size);
-	char *order = (char *) malloc(bind_size);
+	// variables for the msysqueries table
+	char *attribute = malloc(bind_size);
+	char *expression = malloc(bind_size);
+	char *flag = malloc(bind_size);
+	char *name1 = malloc(bind_size);
+	char *name2 = malloc(bind_size);
+	char *objectid = malloc(bind_size);
+	char *order = malloc(bind_size);
 	
 	//variables for the generation of sql
-	char *sql_tables = (char *) malloc(bind_size);
-	char *sql_predicate = (char *) malloc(bind_size);
-	char *sql_columns = (char *) malloc(bind_size);
-	char *sql_where = (char *) malloc(bind_size);
-	char *sql_sorting = (char *) malloc(bind_size);
+	char *sql_tables = malloc(bind_size);
+	char *sql_predicate = malloc(bind_size);
+	char *sql_columns = malloc(bind_size);
+	char *sql_where = malloc(bind_size);
+	char *sql_sorting = malloc(bind_size);
 	int flagint;
 	
 	/* see getopt(3) for more information on getopt and this will become clear */
@@ -216,6 +216,7 @@ int main (int argc, char **argv) {
 						
 				mdb_free_tabledef(table);
 			}
+			free(query_id);
 		} else {
 			fprintf(stderr,"Couldn't locate the specified query: %s\n",argv[optind+1]);
 		}
@@ -269,8 +270,8 @@ char * mdb_get_query_id(MdbHandle *mdb, char *query) {
 	unsigned int i;
 	MdbCatalogEntry *entry = NULL;
 	MdbTableDef *table = NULL;
-	static char id[256];
-	char name[256];
+	char *id = malloc(mdb->bind_size);
+	char *name = malloc(mdb->bind_size);
 	
  	/* loop over each entry in the catalog */
  	for (i=0; i < mdb->num_catalog; i++) {
@@ -298,6 +299,8 @@ char * mdb_get_query_id(MdbHandle *mdb, char *query) {
 		}
 		mdb_free_tabledef(table);
 	}
+
+	free(name);
 	
 	return id;
 }