2 files changed, 3 insertions, 3 deletions
diff --git a/ext/bcmath/libbcmath/src/output.c b/ext/bcmath/libbcmath/src/output.c
index ab49b0e366..ad4e375467 100644
--- a/ext/bcmath/libbcmath/src/output.c
+++ b/ext/bcmath/libbcmath/src/output.c
@@ -71,7 +71,7 @@ bc_out_long (val, size, space, out_char)
   int len, ix;
 
   if (space) (*out_char) (' ');
-  sprintf (digits, "%ld", val);
+  snprintf(digits, sizeof(digits), "%ld", val);
   len = strlen (digits);
   while (size > len)
     {
diff --git a/ext/bcmath/libbcmath/src/rt.c b/ext/bcmath/libbcmath/src/rt.c
index 2479104fe4..d652021f89 100644
--- a/ext/bcmath/libbcmath/src/rt.c
+++ b/ext/bcmath/libbcmath/src/rt.c
@@ -45,7 +45,7 @@ void bc_rt_warn (char *mesg ,...)
   char error_mesg [255];
 
   va_start (args, mesg);
-  vsprintf (error_mesg, mesg, args);
+  vsnprintf (error_mesg, sizeof(error_msg), mesg, args);
   va_end (args);
 
   fprintf (stderr, "bc math warning: %s\n", error_mesg);
@@ -58,7 +58,7 @@ void bc_rt_error (char *mesg ,...)
   char error_mesg [255];
 
   va_start (args, mesg);
-  vsprintf (error_mesg, mesg, args);
+  vsnprintf (error_mesg, sizeof(error_msg), mesg, args);
   va_end (args);
 
   fprintf (stderr, "bc math error: %s\n", error_mesg);