2 files changed, 6 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 757e28b44d..fe3ed7994c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -25,6 +25,8 @@ Library
 Extension Modules
 -----------------
 
+- Bug #1548092: fix curses.tparm seg fault on invalid input.
+
 
 Tests
 -----
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index 2921d53a8f..aeb1ef5f22 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -2334,6 +2334,10 @@ PyCurses_tparm(PyObject *self, PyObject *args)
 	}
 
 	result = tparm(fmt,i1,i2,i3,i4,i5,i6,i7,i8,i9);
+	if (!result) {
+		PyErr_SetString(PyCursesError, "tparm() returned NULL");
+  		return NULL;
+	}
 
 	return PyString_FromString(result);
 }