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Check XRef's Catalog for being a Dict

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Resolves: #2189816
This commit is contained in:
Marek Kasik 2023-06-09 16:42:17 +02:00
parent 8682069d3f
commit 5d94e2b245
2 changed files with 29 additions and 1 deletions
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21
poppler-20.11.0-XRef-check-isDict.patch Normal file
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@ -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();

9
poppler.spec
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@ -4,7 +4,7 @@
Summary: PDF rendering library
Name: poppler
Version: 20.11.0
Release: 9%{?dist}
Release: 10%{?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
@ -42,6 +42,9 @@ Patch27: poppler-20.11.0-pdfunite-check-isDict.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=2189814
Patch28: poppler-20.11.0-check-isDict.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=2189810
Patch29: poppler-20.11.0-XRef-check-isDict.patch
BuildRequires: cmake
BuildRequires: gettext-devel
BuildRequires: pkgconfig(cairo)
@ -246,6 +249,10 @@ test "$(pkg-config --modversion poppler-splash)" = "%{version}"
%{_mandir}/man1/*
%changelog
* Fri Jun 9 2023 Marek Kasik <mkasik@redhat.com> - 21.01.0-10
- Check XRef's Catalog for being a Dict
- Resolves: #2189816
* Fri Jun 9 2023 Marek Kasik <mkasik@redhat.com> - 20.11.0-9
- Check isDict before calling getDict 2
- Resolves: #2189837