Check XRef's Catalog for being a Dict

Resolves: #2189820

poppler-21.01.0-XRef-check-isDict.patch

@@ -0,0 +1,21 @@
+From dcd5bd8238ea448addd102ff045badd0aca1b990 Mon Sep 17 00:00:00 2001
+From: crt <chluo@cse.cuhk.edu.hk>
+Date: Wed, 27 Jul 2022 08:40:02 +0000
+Subject: pdfseparate: Check XRef's Catalog for being a Dict
+
+
+diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
+index 351140af..c26a41c4 100644
+--- a/poppler/PDFDoc.cc
++++ b/poppler/PDFDoc.cc
+@@ -886,6 +886,10 @@ int PDFDoc::savePageAs(const GooString &name, int pageNo)
+ 
+     // get and mark output intents etc.
+     Object catObj = getXRef()->getCatalog();
++    if (!catObj.isDict()) {
++        error(errSyntaxError, -1, "XRef's Catelog is not a dictionary");
++        return errOpenFile;
++    }
+     Dict *catDict = catObj.getDict();
+     Object pagesObj = catDict->lookup("Pages");
+     Object afObj = catDict->lookupNF("AcroForm").copy();

poppler.spec

@@ -3,7 +3,7 @@
 Summary: PDF rendering library
 Name:    poppler
 Version: 21.01.0
-Release: 17%{?dist}
+Release: 18%{?dist}
 License: (GPLv2 or GPLv3) and GPLv2+ and LGPLv2+ and MIT
 URL:     http://poppler.freedesktop.org/
 Source0: http://poppler.freedesktop.org/poppler-%{version}.tar.xz
@@ -44,6 +44,9 @@ Patch10: poppler-21.01.0-pdfunite-check-isDict.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=2189814
 Patch11: poppler-21.01.0-check-isDict.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=2189810
+Patch12: poppler-21.01.0-XRef-check-isDict.patch
+
 BuildRequires: make
 BuildRequires: cmake
 BuildRequires: gcc-c++
@@ -237,6 +240,10 @@ test "$(pkg-config --modversion poppler-qt5)" = "%{version}"
 %{_mandir}/man1/*
 
 %changelog
+* Fri Jun  9 2023 Marek Kasik <mkasik@redhat.com> - 21.01.0-18
+- Check XRef's Catalog for being a Dict
+- Resolves: #2189820
+
 * Fri Jun  9 2023 Marek Kasik <mkasik@redhat.com> - 21.01.0-17
 - Check isDict before calling getDict 2
 - Resolves: #2189841