diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 36e35897d10..d8548061216 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -6220,6 +6220,10 @@ void TextEdit::_push_current_op() {
 	current_op.type = TextOperation::TYPE_NONE;
 	current_op.text = "";
 	current_op.chain_forward = false;
+
+	if (undo_stack.size() > undo_stack_max_size) {
+		undo_stack.pop_front();
+	}
 }
 
 void TextEdit::set_indent_using_spaces(const bool p_use_spaces) {
@@ -7244,6 +7248,8 @@ void TextEdit::_bind_methods() {
 
 	GLOBAL_DEF("gui/timers/text_edit_idle_detect_sec", 3);
 	ProjectSettings::get_singleton()->set_custom_property_info("gui/timers/text_edit_idle_detect_sec", PropertyInfo(Variant::FLOAT, "gui/timers/text_edit_idle_detect_sec", PROPERTY_HINT_RANGE, "0,10,0.01,or_greater")); // No negative numbers.
+	GLOBAL_DEF("gui/common/text_edit_undo_stack_max_size", 1024);
+	ProjectSettings::get_singleton()->set_custom_property_info("gui/common/text_edit_undo_stack_max_size", PropertyInfo(Variant::INT, "gui/common/text_edit_undo_stack_max_size", PROPERTY_HINT_RANGE, "0,10000,1,or_greater")); // No negative numbers.
 }
 
 TextEdit::TextEdit() {
@@ -7323,6 +7329,7 @@ TextEdit::TextEdit() {
 
 	current_op.type = TextOperation::TYPE_NONE;
 	undo_enabled = true;
+	undo_stack_max_size = GLOBAL_GET("gui/common/text_edit_undo_stack_max_size");
 	undo_stack_pos = nullptr;
 	setting_text = false;
 	last_dblclk = 0;
diff --git a/scene/gui/text_edit.h b/scene/gui/text_edit.h
index ef8c39d32f6..ac8eb5da1da 100644
--- a/scene/gui/text_edit.h
+++ b/scene/gui/text_edit.h
@@ -306,6 +306,7 @@ private:
 
 	List<TextOperation> undo_stack;
 	List<TextOperation>::Element *undo_stack_pos;
+	int undo_stack_max_size;
 
 	void _clear_redo();
 	void _do_text_op(const TextOperation &p_op, bool p_reverse);