--- WordNet-3.0/lib/binsrch.c~	2006-11-29 22:02:21.000000000 +0100
+++ WordNet-3.0/lib/binsrch.c	2014-06-03 12:12:58.435884045 +0200
@@ -187,7 +187,7 @@
     copyfile(fp, tfp);
     if (fseek(fp, offset, 0) == -1)
 	return(NULL);		/* could not seek to offset */
-    fprintf(fp, new_line);	/* write line */
+    fprintf(fp, "%s", new_line);	/* write line */
     rewind(tfp);
     copyfile(tfp, fp);
 
@@ -214,7 +214,7 @@
     copyfile(fp, tfp);
     if (fseek(fp, offset, 0) == -1)
 	return(NULL);		/* could not seek to offset */
-    fprintf(fp, new_line);	/* write line */
+    fprintf(fp, "%s", new_line);	/* write line */
     rewind(tfp);
     copyfile(tfp, fp);
 
--- WordNet-3.0/src/wn.c~	2006-11-30 22:40:26.000000000 +0100
+++ WordNet-3.0/src/wn.c	2014-06-03 12:16:04.205515240 +0200
@@ -283,7 +283,7 @@
 	    printf("\t");
 	    printf(searchstr[j].template,
 		   partchars[dbase], partchars[dbase]);
-	    printf(searchstr[j].helpstr);
+	    printf("%s", searchstr[j].helpstr);
 	    printf("\n");
 	}
 }
@@ -344,7 +344,7 @@
 
 static int error_message(char *msg)
 {
-    fprintf(stderr, msg);
+    fprintf(stderr, "%s", msg);
     return(0);
 }