diff -Naur cups-1.1.20/pdftops/Catalog.cxx cups-1.1.20.orig/pdftops/Catalog.cxx

--- cups-1.1.20/pdftops/Catalog.cxx	2003-07-20 04:30:52 +0400

+++ cups-1.1.20.orig/pdftops/Catalog.cxx	2004-10-19 15:46:12 +0400

@@ -13,6 +13,7 @@

 #endif

 #include <stddef.h>

+#include <limits.h>

 #include "gmem.h"

 #include "Object.h"

 #include "XRef.h"

@@ -63,6 +64,12 @@

   }

   pagesSize = numPages0 = obj.getInt();

   obj.free();

+  if (pagesSize > UINT_MAX/sizeof(Page *) ||

+      pagesSize > UINT_MAX/sizeof(Ref)) {

+    error(-1, "Invalid 'pagesSize'");

+    ok = gFalse;

+    return;

+  }

   pages = (Page **)gmalloc(pagesSize * sizeof(Page *));

   pageRefs = (Ref *)gmalloc(pagesSize * sizeof(Ref));

   for (i = 0; i < pagesSize; ++i) {

@@ -190,6 +197,11 @@

       }

       if (start >= pagesSize) {

 	pagesSize += 32;

+        if (pagesSize > UINT_MAX/sizeof(Page *) ||

+            pagesSize > UINT_MAX/sizeof(Ref)) {

+          error(-1, "Invalid 'pagesSize' parameter.");

+          goto err3;

+        }

 	pages = (Page **)grealloc(pages, pagesSize * sizeof(Page *));

 	pageRefs = (Ref *)grealloc(pageRefs, pagesSize * sizeof(Ref));

 	for (j = pagesSize - 32; j < pagesSize; ++j) {

diff -Naur cups-1.1.20/pdftops/XRef.cxx cups-1.1.20.orig/pdftops/XRef.cxx

--- cups-1.1.20/pdftops/XRef.cxx	2003-07-20 04:30:56 +0400

+++ cups-1.1.20.orig/pdftops/XRef.cxx	2004-10-19 15:45:35 +0400

@@ -16,6 +16,7 @@

 #include <stddef.h>

 #include <string.h>

 #include <ctype.h>

+#include <limits.h>

 #include "gmem.h"

 #include "Object.h"

 #include "Stream.h"

@@ -76,6 +77,12 @@

   // trailer is ok - read the xref table

   } else {

+    if (size > UINT_MAX/sizeof(XRefEntry)) {

+      error(-1, "Invalid 'size' inside xref table.");

+      ok = gFalse;

+      errCode = errDamaged;

+      return;

+    }

     entries = (XRefEntry *)gmalloc(size * sizeof(XRefEntry));

     for (i = 0; i < size; ++i) {

       entries[i].offset = 0xffffffff;

@@ -267,6 +274,10 @@

     // table size

     if (first + n > size) {

       newSize = size + 256;

+      if (newSize > UINT_MAX/sizeof(XRefEntry)) {

+        error(-1, "Invalid 'newSize'");

+        goto err2;

+      }

       entries = (XRefEntry *)grealloc(entries, newSize * sizeof(XRefEntry));

       for (i = size; i < newSize; ++i) {

 	entries[i].offset = 0xffffffff;

@@ -415,6 +426,10 @@

 	    if (!strncmp(p, "obj", 3)) {

 	      if (num >= size) {

 		newSize = (num + 1 + 255) & ~255;

+	        if (newSize > UINT_MAX/sizeof(XRefEntry)) {

+	          error(-1, "Invalid 'obj' parameters.");

+	          return gFalse;

+	        }

 		entries = (XRefEntry *)

 		            grealloc(entries, newSize * sizeof(XRefEntry));

 		for (i = size; i < newSize; ++i) {

@@ -436,6 +451,11 @@

     } else if (!strncmp(p, "endstream", 9)) {

       if (streamEndsLen == streamEndsSize) {

 	streamEndsSize += 64;

+        if (streamEndsSize > UINT_MAX/sizeof(int)) {

+          error(-1, "Invalid 'endstream' parameter.");

+          return gFalse;

+        }

+

 	streamEnds = (Guint *)grealloc(streamEnds,

 				       streamEndsSize * sizeof(int));

       }