1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/buffer/buffer.c b/crypto/buffer/buffer.c
index 6b0bd4a404..ad7128a732 100644
--- a/crypto/buffer/buffer.c
+++ b/crypto/buffer/buffer.c
@@ -62,9 +62,11 @@ static char *sec_alloc_realloc(BUF_MEM *str, size_t len)
 
     ret = OPENSSL_secure_malloc(len);
     if (str->data != NULL) {
-        if (ret != NULL)
+        if (ret != NULL) {
             memcpy(ret, str->data, str->length);
-        OPENSSL_secure_free(str->data);
+            OPENSSL_secure_free(str->data);
+            str->data = NULL;
+        }
     }
     return (ret);
 }