--- a/fscklog/fscklog.c	2016-01-29 04:59:54.102223291 +0000
+++ b/fscklog/fscklog.c	2016-01-29 05:00:10.707552565 +0000
@@ -252,8 +252,8 @@
 
 	sprintf(debug_detail, " [%s:%d]\n", basename(file_name), line_number);
 
-	printf(msg_string);
-	printf(debug_detail);
+	printf("%s", msg_string);
+	printf("%s", debug_detail);
 
 	return 0;
 }
--- a/fscklog/display.c	2016-01-29 05:05:42.582133444 +0000
+++ b/fscklog/display.c	2016-01-29 05:05:47.541231780 +0000
@@ -182,7 +182,7 @@
 				} else {
 					/* the record looks ok */
 					msg_txt = &log_entry[log_entry_pos];
-					printf(msg_txt);
+					printf("%s", msg_txt);
 					/*
 					 * set up for the next record
 					 */
--- a/logdump/helpers.c	2016-01-29 05:06:26.081996021 +0000
+++ b/logdump/helpers.c	2016-01-29 05:06:43.097333425 +0000
@@ -95,8 +95,8 @@
 
 	sprintf(debug_detail, " [%s:%d]\n", file_name, line_number);
 
-	printf(msg_string);
-	printf(debug_detail);
+	printf("%s", msg_string);
+	printf("%s", debug_detail);
 
 	return 0;
 }