File poppler-CVE-2022-38349.patch of Package poppler.31745

Index: poppler-0.62.0/poppler/PDFDoc.cc
===================================================================
--- poppler-0.62.0.orig/poppler/PDFDoc.cc
+++ poppler-0.62.0/poppler/PDFDoc.cc
@@ -1606,6 +1606,9 @@ void PDFDoc::replacePageDict(int pageNo,
 {
   Ref *refPage = getCatalog()->getPageRef(pageNo);
   Object page = getXRef()->fetch(refPage->num, refPage->gen);
+  if (!page.isDict()) {
+    return;
+  }
   Dict *pageDict = page.getDict();
   pageDict->remove("MediaBoxssdf");
   pageDict->remove("MediaBox");
Index: poppler-0.62.0/utils/pdfunite.cc
===================================================================
--- poppler-0.62.0.orig/utils/pdfunite.cc
+++ poppler-0.62.0/utils/pdfunite.cc
@@ -294,6 +294,14 @@ int main (int argc, char *argv[])
 	    docs[i]->getCatalog()->getPage(j)->getMediaBox(), cropBox);
       Ref *refPage = docs[i]->getCatalog()->getPageRef(j);
       Object page = docs[i]->getXRef()->fetch(refPage->num, refPage->gen);
+      if (!page.isDict()) {
+          fclose(f);
+          delete yRef;
+          delete countRef;
+          delete outStr;
+          error(errSyntaxError, -1, "PDFDoc::replacePageDict failed.");
+          return -1;
+      }
       Dict *pageDict = page.getDict();
       Object *resDict = docs[i]->getCatalog()->getPage(j)->getResourceDictObject();
       if (resDict->isDict()) {