diff -Naur cups-1.1.20/pdftops/Gfx.cxx cups-1.1.20.new/pdftops/Gfx.cxx

--- cups-1.1.20/pdftops/Gfx.cxx	2003-11-21 22:18:07 +0300

+++ cups-1.1.20.new/pdftops/Gfx.cxx	2004-12-23 13:22:02 +0300

@@ -2381,7 +2381,9 @@

     haveMask = gFalse;

     dict->lookup("Mask", &maskObj);

     if (maskObj.isArray()) {

-      for (i = 0; i < maskObj.arrayGetLength(); ++i) {

+      for (i = 0;

+	   i < maskObj.arrayGetLength() && i < 2*gfxColorMaxComps;

+	   ++i) {

 	maskObj.arrayGet(i, &obj1);

 	maskColors[i] = obj1.getInt();

 	obj1.free();

diff -Naur cups-1.1.20/pdftops/GfxState.cxx cups-1.1.20.new/pdftops/GfxState.cxx

--- cups-1.1.20/pdftops/GfxState.cxx	2003-07-20 04:30:54 +0400

+++ cups-1.1.20.new/pdftops/GfxState.cxx	2004-12-23 13:22:02 +0300

@@ -708,6 +708,11 @@

   }

   nCompsA = obj2.getInt();

   obj2.free();

+  if (nCompsA > gfxColorMaxComps) {

+    error(-1, "ICCBased color space with too many (%d > %d) components",

+	  nCompsA, gfxColorMaxComps);

+    nCompsA = gfxColorMaxComps;

+  }

   if (dict->lookup("Alternate", &obj2)->isNull() ||

       !(altA = GfxColorSpace::parse(&obj2))) {

     switch (nCompsA) {