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SUSE:SLE-12-SP5:GA
poppler-qt5.34110
0001-Check-for-XRefEntry-existing-before-using-...
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File 0001-Check-for-XRefEntry-existing-before-using-it.patch of Package poppler-qt5.34110
From 3f5c84e17acfa71dfd44514384398f5a4c449630 Mon Sep 17 00:00:00 2001 From: Albert Astals Cid <aacid@kde.org> Date: Sat, 30 Jul 2016 17:50:42 +0200 Subject: [PATCH] Check for XRefEntry existing before using it Bug #97005 --- poppler/Hints.cc | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/poppler/Hints.cc b/poppler/Hints.cc index bdd0d322..6c2fc259 100644 --- a/poppler/Hints.cc +++ b/poppler/Hints.cc @@ -5,7 +5,7 @@ // This file is licensed under the GPLv2 or later // // Copyright 2010, 2012 Hib Eris <hib@hiberis.nl> -// Copyright 2010, 2011, 2013, 2014 Albert Astals Cid <aacid@kde.org> +// Copyright 2010, 2011, 2013, 2014, 2016 Albert Astals Cid <aacid@kde.org> // Copyright 2010, 2013 Pino Toscano <pino@kde.org> // Copyright 2013 Adrian Johnson <ajohnson@redneon.com> // Copyright 2014 Fabio D'Urso <fabiodurso@hotmail.it> @@ -43,7 +43,13 @@ Hints::Hints(BaseStream *str, Linearization *linearization, XRef *xref, Security pageObjectFirst); pageObjectFirst = 0; } - pageOffsetFirst = xref->getEntry(pageObjectFirst)->offset; + XRefEntry *pageObjectFirstXRefEntry = xref->getEntry(pageObjectFirst); + if (!pageObjectFirstXRefEntry) { + error(errSyntaxWarning, -1, "No XRef entry for first page object"); + pageOffsetFirst = 0; + } else { + pageOffsetFirst = pageObjectFirstXRefEntry->offset; + } if (nPages >= INT_MAX / (int)sizeof(Guint)) { error(errSyntaxWarning, -1, "Invalid number of pages ({0:d}) for hints table", nPages); -- 2.16.3
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