Ignore dict Length if it is broken

Resolves: #1732342

poppler-0.73.0-JPXStream-length.patch

@@ -0,0 +1,26 @@
+From 68ef84e5968a4249c2162b839ca6d7975048a557 Mon Sep 17 00:00:00 2001
+From: Albert Astals Cid <aacid@kde.org>
+Date: Mon, 15 Jul 2019 23:24:22 +0200
+Subject: [PATCH] JPXStream::init: ignore dict Length if clearly broken
+
+Fixes issue #805
+---
+ poppler/JPEG2000Stream.cc | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/poppler/JPEG2000Stream.cc b/poppler/JPEG2000Stream.cc
+index 0eea3a2d..8e6902f4 100644
+--- a/poppler/JPEG2000Stream.cc
++++ b/poppler/JPEG2000Stream.cc
+@@ -219,7 +219,7 @@ void JPXStream::init()
+   }
+ 
+   int bufSize = BUFFER_INITIAL_SIZE;
+-  if (oLen.isInt()) bufSize = oLen.getInt();
++  if (oLen.isInt() && oLen.getInt() > 0) bufSize = oLen.getInt();
+ 
+   bool indexed = false;
+   if (cspace.isArray() && cspace.arrayGetLength() > 0) {
+-- 
+2.21.0
+

poppler.spec

@@ -4,7 +4,7 @@
 Summary: PDF rendering library
 Name:    poppler
 Version: 0.73.0
-Release: 13%{?dist}
+Release: 14%{?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
@@ -53,6 +53,9 @@ Patch17: poppler-0.73.0-clip-aa-line.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=1696636
 Patch18: poppler-0.73.0-PSOutputDev-buffer-read.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=1732340
+Patch19: poppler-0.73.0-JPXStream-length.patch
+
 BuildRequires: cmake
 BuildRequires: gcc-c++
 BuildRequires: gettext-devel
@@ -283,6 +286,10 @@ test "$(pkg-config --modversion poppler-splash)" = "%{version}"
 %{_mandir}/man1/*
 
 %changelog
+* Wed Jul 24 2019 Marek Kasik <mkasik@redhat.com> - 0.73.0-14
+- Ignore dict Length if it is broken
+- Resolves: #1732342
+
 * Thu May 30 2019 Marek Kasik <mkasik@redhat.com> - 0.73.0-13
 - Don't read outside of image buffer in PSOutputDev
 - Resolves: #1696640