This is a backport of a fix from Holger Freyther to the
libdbd sqlite3 driver.

Index: libdbi-drivers-0.8.3-1/drivers/sqlite3/dbd_sqlite3.c
===================================================================
--- libdbi-drivers-0.8.3-1.orig/drivers/sqlite3/dbd_sqlite3.c
+++ libdbi-drivers-0.8.3-1/drivers/sqlite3/dbd_sqlite3.c
@@ -502,7 +502,8 @@ size_t dbd_quote_binary(dbi_conn_t *conn
   unsigned char *temp;
   size_t len;
 
-  if ((temp = malloc(from_length*2)) == NULL) {
+  /* allocate an extra byte for NULL and two for the quotes */
+  if ((temp = malloc(2*from_length+1+2)) == NULL) {
     return 0;
   }