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