3 files changed, 5 insertions, 5 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 04266b1d42..f10af59f5b 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -2206,8 +2206,8 @@ VpException(unsigned short f,char *str,int always)
     return 0; /* 0 Means VpException() raised no exception */
 
 raise:
-    if(fatal) rb_fatal(str);
-    else   rb_raise(exc,str);
+    if(fatal) rb_fatal("%s", str);
+    else   rb_raise(exc, "%s", str);
     return 0;
 }
 
diff --git a/ext/dl/handle.c b/ext/dl/handle.c
index 7a05115ec5..69d47caac0 100644
--- a/ext/dl/handle.c
+++ b/ext/dl/handle.c
@@ -66,12 +66,12 @@ rb_dlhandle_initialize(int argc, VALUE argv[], VALUE self)
   ptr = dlopen(clib, cflag);
 #if defined(HAVE_DLERROR)
   if (!ptr && (err = dlerror())) {
-    rb_raise(rb_eRuntimeError, err);
+    rb_raise(rb_eRuntimeError, "%s", err);
   }
 #else
   if (!ptr) {
     err = dlerror();
-    rb_raise(rb_eRuntimeError, err);
+    rb_raise(rb_eRuntimeError, "%s", err);
   }
 #endif
   Data_Get_Struct(self, struct dl_handle, dlhandle);
diff --git a/ext/gdbm/gdbm.c b/ext/gdbm/gdbm.c
index e49932f132..82109fda90 100644
--- a/ext/gdbm/gdbm.c
+++ b/ext/gdbm/gdbm.c
@@ -82,7 +82,7 @@ static void
 rb_gdbm_fatal(msg)
     char *msg;
 {
-    rb_raise(rb_eGDBMFatalError, msg);
+    rb_raise(rb_eGDBMFatalError, "%s", msg);
 }
 
 struct dbmdata {