--- poppler/glib/poppler-document.cc

+++ poppler/glib/poppler-document.cc

@@ -2872,6 +2872,7 @@ poppler_document_get_form_field (Poppler

   unsigned fieldNum;

   FormPageWidgets *widgets;

   FormWidget *field;

+  PopplerFormField *formField;

   FormWidget::decodeID (id, &pageNum, &fieldNum);

@@ -2884,8 +2885,14 @@ poppler_document_get_form_field (Poppler

     return nullptr;

   field = widgets->getWidget (fieldNum);

-  if (field)

-    return _poppler_form_field_new (document, field);

+  if (field) {

+    formField = _poppler_form_field_new (document, field);

+    delete widgets;

+

+    return formField;

+  }

+

+  delete widgets;

   return nullptr;

 }

--- poppler/poppler/CairoOutputDev.cc

+++ poppler/poppler/CairoOutputDev.cc

@@ -3010,8 +3010,10 @@ void CairoOutputDev::setMimeData(GfxStat

   // colorspace in stream dict may be different from colorspace in jpx

   // data

-  if (strKind == strJPX && colorSpace)

+  if (strKind == strJPX && colorSpace) {

+    delete colorSpace;

     return;

+  }

   // only embed mime data for gray, rgb, and cmyk colorspaces.

   if (colorSpace) {

--- poppler/poppler/Link.cc

+++ poppler/poppler/Link.cc

@@ -193,6 +193,7 @@ LinkAction *LinkAction::parseAction(cons

           const Ref ref = obj3Ref.getRef();

           if (!seenNextActions->insert(ref.num).second) {

               error(errSyntaxWarning, -1, "parseAction: Circular next actions detected in array.");

+              delete actionList;

               return action;

           }

       }

--- poppler/poppler/SplashOutputDev.cc

+++ poppler/poppler/SplashOutputDev.cc

@@ -2207,6 +2207,8 @@ reload:

 	error(errSyntaxError, -1, "Couldn't create a font for '{0:s}'",

 	      gfxFont->getName() ? gfxFont->getName()->getCString()

 	                         : "(unnamed)");

+	  if (fontsrc && fontsrc->isFile)

+	    fontsrc->unref();

 	  goto err2;

 	}

 	codeToGID = ((GfxCIDFont *)gfxFont)->getCodeToGIDMap(ff, &n);

@@ -2225,6 +2227,8 @@ reload:

       break;

     default:

       // this shouldn't happen

+      if (fontsrc && fontsrc->isFile)

+        fontsrc->unref();

       goto err2;

     }

     fontFile->doAdjustMatrix = doAdjustFontMatrix;

--- poppler/poppler/TextOutputDev.cc

+++ poppler/poppler/TextOutputDev.cc

@@ -1526,7 +1526,6 @@ TextBlock::~TextBlock() {

 }

 void TextBlock::addWord(TextWord *word) {

-  pool->addWord(word);

   if (xMin > xMax) {

     xMin = word->xMin;

     xMax = word->xMax;

@@ -1546,6 +1545,7 @@ void TextBlock::addWord(TextWord *word)

       yMax = word->yMax;

     }

   }

+  pool->addWord(word);

 }

 void TextBlock::coalesce(UnicodeMap *uMap, double fixedPitch) {

@@ -2999,11 +2999,13 @@ void TextPage::coalesce(GBool physLayout

       word0 = pool->getPool(startBaseIdx);

       pool->setPool(startBaseIdx, word0->next);

       word0->next = nullptr;

-      blk = new TextBlock(this, rot);

-      blk->addWord(word0);

       fontSize = word0->fontSize;

       minBase = maxBase = word0->base;

+

+      blk = new TextBlock(this, rot);

+      blk->addWord(word0);

+

       colSpace1 = minColSpacing1 * fontSize;

       colSpace2 = minColSpacing2 * fontSize;

       lineSpace = maxLineSpacingDelta * fontSize;

@@ -3037,9 +3039,9 @@ void TextPage::coalesce(GBool physLayout

 	      }

 	      word1 = word1->next;

 	      word2->next = nullptr;

+	      newMinBase = word2->base;

 	      blk->addWord(word2);

 	      found = gTrue;

-	      newMinBase = word2->base;

 	    } else {

 	      word0 = word1;

 	      word1 = word1->next;

@@ -3072,9 +3074,9 @@ void TextPage::coalesce(GBool physLayout

 	      }

 	      word1 = word1->next;

 	      word2->next = nullptr;

+	      newMaxBase = word2->base;

 	      blk->addWord(word2);

 	      found = gTrue;

-	      newMaxBase = word2->base;

 	    } else {

 	      word0 = word1;

 	      word1 = word1->next;

@@ -3171,12 +3173,12 @@ void TextPage::coalesce(GBool physLayout

 		}

 		word1 = word1->next;

 		word2->next = nullptr;

-		blk->addWord(word2);

 		if (word2->base < minBase) {

 		  minBase = word2->base;

 		} else if (word2->base > maxBase) {

 		  maxBase = word2->base;

 		}

+		blk->addWord(word2);

 		found = gTrue;

 		break;

 	      } else {

@@ -3235,12 +3237,12 @@ void TextPage::coalesce(GBool physLayout

 		}

 		word1 = word1->next;

 		word2->next = nullptr;

-		blk->addWord(word2);

 		if (word2->base < minBase) {

 		  minBase = word2->base;

 		} else if (word2->base > maxBase) {

 		  maxBase = word2->base;

 		}

+		blk->addWord(word2);

 		found = gTrue;

 		break;

 	      } else {

@@ -4509,7 +4511,7 @@ GooList **TextSelectionDumper::takeWordL

 class TextSelectionSizer : public TextSelectionVisitor {

 public:

   TextSelectionSizer(TextPage *page, double scale);

-  ~TextSelectionSizer() { }

+  ~TextSelectionSizer();

   void visitBlock (TextBlock *block,

 			   TextLine *begin,

@@ -4526,7 +4526,7 @@ public:

   void visitWord (TextWord *word, int begin, int end,

 			  PDFRectangle *selection) override { };

-  GooList *getRegion () { return list; }

+  GooList *getRegion ();

 private:

   GooList *list;

@@ -4538,6 +4540,11 @@ TextSelectionSizer::TextSelectionSizer(T

   list = new GooList();

 }

+TextSelectionSizer::~TextSelectionSizer()

+{

+  deleteGooList(list, PDFRectangle);

+}

+

 void TextSelectionSizer::visitLine (TextLine *line, 

 				    TextWord *begin,

 				    TextWord *end,

@@ -4594,6 +4594,21 @@ void TextSelectionSizer::visitLine (Text

   list->append (rect);

 }

+GooList *TextSelectionSizer::getRegion () {

+  GooList *recList;

+  int i;

+

+  recList = new GooList();

+

+  for (i = 0; i < list->getLength(); i++) {

+    PDFRectangle *selection_rect = (PDFRectangle *) list->get(i);

+

+    recList->append (new PDFRectangle(selection_rect->x1, selection_rect->y1, selection_rect->x2, selection_rect->y2));

+  }

+

+  return recList;

+}

+

 class TextSelectionPainter : public TextSelectionVisitor {

 public:

--- poppler/poppler/XRef.cc

+++ poppler/poppler/XRef.cc

@@ -456,6 +456,7 @@ int XRef::reserve(int newSize)

     void *p = greallocn_checkoverflow(entries, realNewSize, sizeof(XRefEntry));

     if (p == nullptr) {

+      entries = nullptr;

       return 0;

     }

@@ -877,7 +878,6 @@ GBool XRef::constructXRef(GBool *wasReco

   int offset = 0;

   resize(0); // free entries properly

-  gfree(entries);

   capacity = 0;

   size = 0;

   entries = nullptr;

--- poppler/qt5/src/ArthurOutputDev.cc

+++ poppler/qt5/src/ArthurOutputDev.cc

@@ -703,7 +703,11 @@ void ArthurOutputDev::updateFont(GfxStat

 	else

 	  ff = FoFiTrueType::make(tmpBuf, tmpBufLen);

 	if (! ff)

+	{

+	  if (fontsrc && fontsrc->isFile)

+	    fontsrc->unref();

 	  goto err2;

+	}

 	codeToGID = ((GfxCIDFont *)gfxFont)->getCodeToGIDMap(ff, &n);

 	delete ff;

       }

@@ -719,6 +723,8 @@ void ArthurOutputDev::updateFont(GfxStat

       break;

     default:

       // this shouldn't happen

+      if (fontsrc && fontsrc->isFile)

+        fontsrc->unref();

       goto err2;

     }

   }

@@ -738,6 +744,8 @@ void ArthurOutputDev::updateFont(GfxStat

   return;

  err2:

+  if (fontsrc && !fontsrc->isFile)

+      fontsrc->unref();

   delete id;

 #endif

 }

--- poppler/qt5/src/poppler-page.cc

+++ poppler/qt5/src/poppler-page.cc

@@ -782,6 +782,7 @@ QList<TextBox*> Page::textList(Rotation

   if (!word_list || (shouldAbortExtractionCallback && shouldAbortExtractionCallback(closure))) {

     delete output_dev;

+    delete word_list;

     return output_list;

   }

--- poppler/test/pdf-inspector.cc

+++ poppler/test/pdf-inspector.cc

@@ -46,6 +46,7 @@ class PdfInspector {

 public:

   PdfInspector(void);

+  ~PdfInspector(void);

   void set_file_name (const char *file_name);

   void load (const char *file_name);

@@ -136,6 +137,11 @@ PdfInspector::PdfInspector(void)

   // set up initial widgets

   load (nullptr);

 }

+

+PdfInspector::~PdfInspector(void)

+{

+  delete output;

+}

 void

 PdfInspector::set_file_name(const char *file_name)

--- poppler/test/perf-test.cc

+++ poppler/test/perf-test.cc

@@ -1053,6 +1053,7 @@ static void ParseCommandLine(int argc, c

                 ++i;

                 if (i == argc)

                     PrintUsageAndExit(argc, argv);

+                free(gOutFileName);

                 gOutFileName = str_dup(argv[i]);

             } else if (str_ieq(arg, PREVIEW_ARG)) {

                 gfPreview = true;

--- poppler/utils/HtmlOutputDev.cc

+++ poppler/utils/HtmlOutputDev.cc

@@ -920,10 +920,11 @@ void HtmlPage::dumpComplex(FILE *file, i

   fputs("\n", pageFile);

-  if( !noframes )

-  {

+  if( !noframes ){

       fputs("</body>\n</html>\n",pageFile);

       fclose(pageFile);

+  } else if (pageFile != nullptr && pageFile != file){

+      fclose(pageFile);

   }

 }

@@ -1376,6 +1377,7 @@ void HtmlOutputDev::drawPngImage(GfxStat

   // TODO can we calculate the resolution of the image?

   if (!writer->init(f1, width, height, 72, 72)) {

     error(errInternal, -1, "Can't init PNG for image '{0:t}'", fName);

+    delete fName;

     delete writer;

     fclose(f1);

     return;

@@ -1417,6 +1419,7 @@ void HtmlOutputDev::drawPngImage(GfxStat

       if (!writer->writeRow(row_pointer)) {

         error(errIO, -1, "Failed to write into PNG '{0:t}'", fName);

+        delete fName;

         delete writer;

         delete imgStr;

         fclose(f1);

@@ -1455,6 +1458,7 @@ void HtmlOutputDev::drawPngImage(GfxStat

       if (!writer->writeRow( &png_row ))

       {

         error(errIO, -1, "Failed to write into PNG '{0:t}'", fName);

+        delete fName;

         delete writer;

         fclose(f1);

         gfree(png_row);

@@ -1472,6 +1476,8 @@ void HtmlOutputDev::drawPngImage(GfxStat

   fclose(f1);

   pages->addImage(fName, state);

+

+  delete fName;

 #else

   return;

 #endif

@@ -1617,6 +1623,7 @@ GooString* HtmlOutputDev::getLinkDest(An

 	  }

 	  else 

 	  {

+	      delete file;

 	      return new GooString();

 	  }

 	  }

--- poppler/utils/pdftotext.cc

+++ poppler/utils/pdftotext.cc

@@ -356,6 +356,7 @@ int main(int argc, char *argv[]) {

       fputs("
\n", f);

       if (f != stdout) {

 	fclose(f);

+	f = nullptr;

       }

     }

   }

@@ -372,8 +373,9 @@ int main(int argc, char *argv[]) {

         printWordBBox(f, doc, textOut, firstPage, lastPage);

       }

     }

-    if (f != stdout) {

+    if (f != stdout && f != nullptr) {

       fclose(f);

+      f = nullptr;

     }

   } else {

     textOut = new TextOutputDev(textFileName->getCString(),

@@ -413,7 +415,7 @@ int main(int argc, char *argv[]) {

     if (!bbox) fputs("\n", f);

     fputs("</body>\n", f);

     fputs("</html>\n", f);

-    if (f != stdout) {

+    if (f != stdout && f != nullptr) {

       fclose(f);

     }

   }