diff -u mcrypt-2.6.8/src/classic.c mcrypt-2.6.8/src/classic.c
--- mcrypt-2.6.8.orig/src/classic.c
+++ mcrypt-2.6.8/src/classic.c
@@ -437,7 +437,7 @@
    char tmp_buf[BUFFER_SIZE];
    int how = 0;
    int i = 0;
-   int blocksize, crcsize, salt_size;
+   int blocksize, crcsize, salt_size = 0;
    MCRYPT td;
    int pid, buf_block, start;
    word32 *IV = NULL;