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home:Alexander_Naumov:SLE-12:Update
poppler.34111
poppler-CVE-2022-37050.patch
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File poppler-CVE-2022-37050.patch of Package poppler.34111
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: [PATCH] pdfseparate: Check XRef's Catalog for being a Dict --- poppler/PDFDoc.cc | 4 ++++ 1 file changed, 4 insertions(+) Index: poppler-0.24.4/poppler/PDFDoc.cc =================================================================== --- poppler-0.24.4.orig/poppler/PDFDoc.cc +++ poppler-0.24.4/poppler/PDFDoc.cc @@ -679,6 +679,14 @@ int PDFDoc::savePageAs(GooString *name, // get and mark output intents etc. Object catObj, pagesObj, resourcesObj; getXRef()->getCatalog(&catObj); + if (!catObj.isDict()) { + fclose(f); + delete yRef; + delete countRef; + delete outStr; + error(errSyntaxError, -1, "XRef's Catelog is not a dictionary"); + return errOpenFile; + } Dict *catDict = catObj.getDict(); catDict->lookup("Pages", &pagesObj); Dict *pagesDict = pagesObj.getDict();
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