From 86fa2f37147d68b569d1180cd3630ca1e62a3178 Mon Sep 17 00:00:00 2001
From: Ted John <ted@brambles.org>
Date: Tue, 12 May 2020 18:54:00 +0100
Subject: [PATCH] Fix #11730: invalid write in CustomListView::SortItems

---
 src/openrct2-ui/scripting/CustomListView.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/openrct2-ui/scripting/CustomListView.cpp b/src/openrct2-ui/scripting/CustomListView.cpp
index 397b6a1d44..6b6684cb54 100644
--- a/src/openrct2-ui/scripting/CustomListView.cpp
+++ b/src/openrct2-ui/scripting/CustomListView.cpp
@@ -317,7 +317,10 @@ void CustomListView::SortItems(int32_t column, ColumnSortOrder order)
 
     CurrentSortOrder = order;
     CurrentSortColumn = column;
-    Columns[column].SortOrder = order;
+    if (column >= 0 && static_cast<size_t>(column) < Columns.size())
+    {
+        Columns[column].SortOrder = order;
+    }
 }
 
 void CustomListView::Resize(const ScreenSize& size)