diff --git a/ui/ozone/platform/wayland/host/wayland_bubble.cc b/ui/ozone/platform/wayland/host/wayland_bubble.cc
index 5b1a967bc881c..13aec3b5f79a7 100644
--- a/ui/ozone/platform/wayland/host/wayland_bubble.cc
+++ b/ui/ozone/platform/wayland/host/wayland_bubble.cc
@@ -34,8 +34,18 @@ void WaylandBubble::Show(bool inactive) {
     return;
   }
 
+  // delegate()->OnStateUpdate (reached via UpdateWindowScale /
+  // AddToParentAsSubsurface) may synchronously destroy `this`. See the
+  // weak-guard at WaylandWindow::MaybeApplyLatestStateRequest.
+  auto weak_this = weak_ptr_factory_.GetWeakPtr();
   UpdateWindowScale(false);
+  if (!weak_this) {
+    return;
+  }
   AddToParentAsSubsurface();
+  if (!weak_this) {
+    return;
+  }
   WaylandWindow::Show(inactive);
 }
 
@@ -61,7 +71,13 @@ void WaylandBubble::SetBoundsInDIP(const gfx::Rect& bounds_dip) {
   // There is currently no guarantee that the 2 compositor frames arrive
   // together atomically.
   auto old_bounds_dip = GetBoundsInDIP();
+  // delegate()->OnStateUpdate (reached via SetBoundsInDIP ->
+  // MaybeApplyLatestStateRequest) may synchronously destroy `this`.
+  auto weak_this = weak_ptr_factory_.GetWeakPtr();
   WaylandWindow::SetBoundsInDIP(bounds_dip);
+  if (!weak_this) {
+    return;
+  }
 
   // TODO(crbug.com/329145822): Don't apply position immediately here, wait for
   // ackconfigure, otherwise it might jitter if offset changes.
@@ -92,7 +108,13 @@ void WaylandBubble::Deactivate() {
 }
 
 void WaylandBubble::UpdateWindowScale(bool update_bounds) {
+  // delegate()->OnStateUpdate (reached via SetWindowScale ->
+  // MaybeApplyLatestStateRequest) may synchronously destroy `this`.
+  auto weak_this = weak_ptr_factory_.GetWeakPtr();
   WaylandWindow::UpdateWindowScale(update_bounds);
+  if (!weak_this) {
+    return;
+  }
   if (subsurface_) {
     SetSubsurfacePosition();
   }
@@ -127,7 +149,13 @@ void WaylandBubble::AddToParentAsSubsurface() {
   CHECK(parent_window());
 
   // We need to make sure that window scale matches the parent window.
+  // delegate()->OnStateUpdate (reached via UpdateWindowScale) may synchronously
+  // destroy `this`.
+  auto weak_this = weak_ptr_factory_.GetWeakPtr();
   UpdateWindowScale(true);
+  if (!weak_this) {
+    return;
+  }
 
   subsurface_ =
       root_surface()->CreateSubsurface(parent_window()->root_surface());