LibWeb: Check for missing node or invalid query in obtain_theme_color

LadybirdBrowser · Jan 10, 2025 · 4c2e907 · 4c2e907
1 parent 1f4c7ac
commit 4c2e907
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Libraries/LibWeb/DOM/Document.cpp b/Libraries/LibWeb/DOM/Document.cpp
@@ -1490,7 +1490,7 @@ void Document::obtain_theme_color()
             auto media = element.attribute(HTML::AttributeNames::media);
             if (media.has_value()) {
                 auto query = parse_media_query(context, media.value());
-                if (window() && !query->evaluate(*window()))
+                if (query.is_null() || (window() && !query->evaluate(*window())))
                     return TraversalDecision::Continue;
             }
 
@@ -1503,7 +1503,7 @@ void Document::obtain_theme_color()
             // 4. If color is not failure, then return color.
             if (!css_value.is_null() && css_value->is_color()) {
                 Optional<Layout::NodeWithStyle const&> root_node;
-                if (html_element())
+                if (html_element() && html_element()->layout_node())
                     root_node = *html_element()->layout_node();
 
                 theme_color = css_value->to_color(root_node);