1 files changed, 5 insertions, 2 deletions

diff --git a/src/lib/libcrypto/ui/ui_util.c b/src/lib/libcrypto/ui/ui_util.c
index 7c6f7d3a73..f05573df33 100644
--- a/src/lib/libcrypto/ui/ui_util.c
+++ b/src/lib/libcrypto/ui/ui_util.c
@@ -71,12 +71,15 @@ int UI_UTIL_read_pw(char *buf,char *buff,int size,const char *prompt,int verify)
         int ok = 0;
         UI *ui;
 
+        if (size < 1)
+                return -1;
+
         ui = UI_new();
         if (ui)
                 {
-                ok = UI_add_input_string(ui,prompt,0,buf,0,BUFSIZ-1);
+                ok = UI_add_input_string(ui,prompt,0,buf,0,size-1);
                 if (ok == 0 && verify)
-                        ok = UI_add_verify_string(ui,prompt,0,buff,0,BUFSIZ-1,
+                        ok = UI_add_verify_string(ui,prompt,0,buff,0,size-1,
                                 buf);
                 if (ok == 0)
                         ok=UI_process(ui);