File poppler-CVE-2022-37051.patch of Package poppler.30684

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File poppler-CVE-2022-37051.patch of Package poppler.30684

Index: poppler-0.62.0/utils/pdfunite.cc
===================================================================
--- poppler-0.62.0.orig/utils/pdfunite.cc
+++ poppler-0.62.0/utils/pdfunite.cc
@@ -200,6 +200,14 @@ int main (int argc, char *argv[])
   Object ocObj;
   if (docs.size() >= 1) {
     Object catObj = docs[0]->getXRef()->getCatalog();
+    if(!catObj.isDict()){
+        fclose(f);
+        delete yRef;
+        delete countRef;
+        delete outStr;
+        error(errSyntaxError, -1, "XRef's Catalog is not a dictionary.");
+        return -1;
+    }
     Dict *catDict = catObj.getDict();
     intents = catDict->lookup("OutputIntents");
     afObj = catDict->lookupNF("AcroForm");
@@ -300,6 +308,14 @@ int main (int argc, char *argv[])
       }
     }
     Object pageCatObj = docs[i]->getXRef()->getCatalog();
+    if(!pageCatObj.isDict()){
+        fclose(f);
+        delete yRef;
+        delete countRef;
+        delete outStr;
+        error(errSyntaxError, -1, "XRef's Catalog is not a dictionary.");
+        return -1;
+    }
     Dict *pageCatDict = pageCatObj.getDict();
     Object pageNames = pageCatDict->lookup("Names");
     if (!pageNames.isNull() && pageNames.isDict()) {

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File poppler-CVE-2022-37051.patch of Package poppler.30684

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