check for NULL tp_as_mapping in PySequence_(Get/Set/Del)Slice #9834
diff --git a/Misc/NEWS b/Misc/NEWS
index ca64883..225531b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -108,6 +108,13 @@
guaranteed to exist in all Python implementations and the names of hash
algorithms available in the current process.
+C-API
+-----
+
+- Issue #9834: Don't segfault in PySequence_GetSlice, PySequence_SetSlice, or
+ PySequence_DelSlice when the object doesn't have any mapping operations
+ defined.
+
Tools/Demos
-----------