Given the following code containing errors, provide Common Weakness Enumeration (CWE) identifiers and corresponding messages in JSON format. Each identified weakness should have a unique entry in the JSON array.
    Code: qtdemux_tag_add_str_full (GstQTDemux * qtdemux, GstTagList * taglist,
    const char *tag, const char *dummy, GNode * node)
{
  const gchar *env_vars[] = { "GST_QT_TAG_ENCODING", "GST_TAG_ENCODING", NULL };
  GNode *data;
  char *s;
  int len;
  guint32 type;
  int offset;
  gboolean ret = TRUE;
  const gchar *charset = NULL;

  data = qtdemux_tree_get_child_by_type (node, FOURCC_data);
  if (data) {
    len = QT_UINT32 (data->data);
    type = QT_UINT32 ((guint8 *) data->data + 8);
    if (type == 0x00000001 && len > 16) {
      s = gst_tag_freeform_string_to_utf8 ((char *) data->data + 16, len - 16,
          env_vars);
      if (s) {
        GST_DEBUG_OBJECT (qtdemux, "adding tag %s", GST_STR_NULL (s));
        gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, tag, s, NULL);
        g_free (s);
      } else {
        GST_DEBUG_OBJECT (qtdemux, "failed to convert %s tag to UTF-8", tag);
      }
    }
  } else {
    len = QT_UINT32 (node->data);
    type = QT_UINT32 ((guint8 *) node->data + 4);
    if ((type >> 24) == 0xa9) {
      gint str_len;
      gint lang_code;

      /* Type starts with the (C) symbol, so the next data is a list
       * of (string size(16), language code(16), string) */

      str_len = QT_UINT16 ((guint8 *) node->data + 8);
      lang_code = QT_UINT16 ((guint8 *) node->data + 10);

      /* the string + fourcc + size + 2 16bit fields,
       * means that there are more tags in this atom */
      if (len > str_len + 8 + 4) {
        /* TODO how to represent the same tag in different languages? */
        GST_WARNING_OBJECT (qtdemux, "Ignoring metadata entry with multiple "
            "text alternatives, reading only first one");
      }

      offset = 12;
      len = str_len + 8 + 4;    /* remove trailing strings that we don't use */
      GST_DEBUG_OBJECT (qtdemux, "found international text tag");

      if (lang_code < 0x800) {  /* MAC encoded string */
        charset = "mac";
      }
    } else if (len > 14 && qtdemux_is_string_tag_3gp (qtdemux,
            QT_FOURCC ((guint8 *) node->data + 4))) {
      guint32 type = QT_UINT32 ((guint8 *) node->data + 8);

      /* we go for 3GP style encoding if major brands claims so,
       * or if no hope for data be ok UTF-8, and compatible 3GP brand present */
      if (qtdemux_is_brand_3gp (qtdemux, TRUE) ||
          (qtdemux_is_brand_3gp (qtdemux, FALSE) &&
              ((type & 0x00FFFFFF) == 0x0) && (type >> 24 <= 0xF))) {
        offset = 14;
        /* 16-bit Language code is ignored here as well */
        GST_DEBUG_OBJECT (qtdemux, "found 3gpp text tag");
      } else {
        goto normal;
      }
    } else {
    normal:
      offset = 8;
      GST_DEBUG_OBJECT (qtdemux, "found normal text tag");
      ret = FALSE;              /* may have to fallback */
    }
    if (charset) {
      GError *err = NULL;

      s = g_convert ((gchar *) node->data + offset, len - offset, "utf8",
          charset, NULL, NULL, &err);
      if (err) {
        GST_DEBUG_OBJECT (qtdemux, "Failed to convert string from charset %s:"
            " %s(%d): %s", charset, g_quark_to_string (err->domain), err->code,
            err->message);
        g_error_free (err);
      }
    } else {
      s = gst_tag_freeform_string_to_utf8 ((char *) node->data + offset,
          len - offset, env_vars);
    }
    if (s) {
      GST_DEBUG_OBJECT (qtdemux, "adding tag %s", GST_STR_NULL (s));
      gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, tag, s, NULL);
      g_free (s);
      ret = TRUE;
    } else {
      GST_DEBUG_OBJECT (qtdemux, "failed to convert %s tag to UTF-8", tag);
    }
  }
  return ret;
} ; Sample JSON Format Confermily Expected output: "examples" => "cwe": "xxx"; "message": "xxx"
    
 'cwe': ['CWE-125'], 'message': 'qtdemux: Fix out of bounds read in tag parsing code

We can't simply assume that the length of the tag value as given
inside the stream is correct but should also check against the amount of
data we have actually available.

https://bugzilla.gnome.org/show_bug.cgi?id=775451'