diff --git a/Windows/Debugger/Debugger_Lists.cpp b/Windows/Debugger/Debugger_Lists.cpp
index 5e7a4a8826..cd7cd5b5e7 100644
--- a/Windows/Debugger/Debugger_Lists.cpp
+++ b/Windows/Debugger/Debugger_Lists.cpp
@@ -129,6 +129,10 @@ void CtrlThreadList::showMenu(int itemIndex, const POINT &pt)
 
 void CtrlThreadList::GetColumnText(wchar_t* dest, int row, int col)
 {
+	if (row < 0 || row >= (int)threads.size()) {
+		return;
+	}
+
 	switch (col)
 	{
 	case TL_NAME:
@@ -618,6 +622,10 @@ bool CtrlStackTraceView::WindowMessage(UINT msg, WPARAM wParam, LPARAM lParam, L
 
 void CtrlStackTraceView::GetColumnText(wchar_t* dest, int row, int col)
 {
+	if (row < 0 || row >= (int)frames.size()) {
+		return;
+	}
+
 	switch (col)
 	{
 	case SF_ENTRY:
diff --git a/Windows/GEDebugger/TabDisplayLists.cpp b/Windows/GEDebugger/TabDisplayLists.cpp
index a228b548f5..6ad1b1fdc7 100644
--- a/Windows/GEDebugger/TabDisplayLists.cpp
+++ b/Windows/GEDebugger/TabDisplayLists.cpp
@@ -33,6 +33,9 @@ CtrlDisplayListStack::CtrlDisplayListStack(HWND hwnd): GenericListControl(hwnd,d
 
 void CtrlDisplayListStack::GetColumnText(wchar_t* dest, int row, int col)
 {
+	if (row < 0 || row >= (int)ARRAY_SIZE(list.stack)) {
+		return;
+	}
 	DisplayListStackEntry value = list.stack[row];
 
 	switch (col)
@@ -77,6 +80,9 @@ CtrlAllDisplayLists::CtrlAllDisplayLists(HWND hwnd): GenericListControl(hwnd,all
 
 void CtrlAllDisplayLists::GetColumnText(wchar_t* dest, int row, int col)
 {
+	if (row < 0 || row >= (int)lists.size()) {
+		return;
+	}
 	DisplayList& list = lists[row];
 
 	switch (col)
diff --git a/Windows/GEDebugger/TabState.cpp b/Windows/GEDebugger/TabState.cpp
index 51bf7bb5f2..24f1ffd03a 100644
--- a/Windows/GEDebugger/TabState.cpp
+++ b/Windows/GEDebugger/TabState.cpp
@@ -633,6 +633,10 @@ void FormatStateRow(wchar_t *dest, const TabStateRow &info, u32 value, bool enab
 }
 
 void CtrlStateValues::GetColumnText(wchar_t *dest, int row, int col) {
+	if (row < 0 || row >= rowCount_) {
+		return;
+	}
+
 	switch (col) {
 	case STATEVALUES_COL_NAME:
 		wcscpy(dest, rows_[row].title);