diff --git a/modules/libpr0n/test/crashtests/crashtests.list b/modules/libpr0n/test/crashtests/crashtests.list
index edefa8b1b7d7..0924f0384a18 100644
--- a/modules/libpr0n/test/crashtests/crashtests.list
+++ b/modules/libpr0n/test/crashtests/crashtests.list
@@ -1,2 +1,8 @@
 load 83804-1.gif
 load 89341-1.gif
+
+# the following tests were inspired by bug 525326
+# they have image sizes of 65535x65535 which is larger than we allow
+load invalid-size.gif
+# this image has a valid size for the first frame, but the second frame is 65535x65535
+load invalid-size-second-frame.gif
diff --git a/modules/libpr0n/test/crashtests/invalid-size-second-frame.gif b/modules/libpr0n/test/crashtests/invalid-size-second-frame.gif
new file mode 100644
index 000000000000..22005ae4ca46
Binary files /dev/null and b/modules/libpr0n/test/crashtests/invalid-size-second-frame.gif differ
diff --git a/modules/libpr0n/test/crashtests/invalid-size.gif b/modules/libpr0n/test/crashtests/invalid-size.gif
new file mode 100644
index 000000000000..665ca9b5dce7
Binary files /dev/null and b/modules/libpr0n/test/crashtests/invalid-size.gif differ