From b21f867e8844de0f061a8599f150e82e78c998e5 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Tue, 19 Dec 2023 19:30:13 -0500
Subject: [PATCH] LibPDF: Don't crash on images with empty filter arrays

0000967.pdf page 2 contains a bunch of inline images with empty
filter arrays.
---
 Userland/Libraries/LibPDF/Renderer.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Userland/Libraries/LibPDF/Renderer.cpp b/Userland/Libraries/LibPDF/Renderer.cpp
index e2476997e1..f45667ad8e 100644
--- a/Userland/Libraries/LibPDF/Renderer.cpp
+++ b/Userland/Libraries/LibPDF/Renderer.cpp
@@ -890,6 +890,8 @@ PDFErrorOr<NonnullRefPtr<Gfx::Bitmap>> Renderer::load_image(NonnullRefPtr<Stream
         if (filter_object->is<NameObject>())
             return filter_object->cast<NameObject>()->name() == name;
         auto filters = filter_object->cast<ArrayObject>();
+        if (filters->elements().is_empty())
+            return false;
         auto last_filter_index = filters->elements().size() - 1;
         return MUST(filters->get_name_at(m_document, last_filter_index))->name() == name;
     };