diff -rupN poppler-0.62.0/poppler/JPXStream.cc poppler-0.62.0-new/poppler/JPXStream.cc

--- poppler-0.62.0/poppler/JPXStream.cc	2017-12-03 20:25:06.000000000 +0100

+++ poppler-0.62.0-new/poppler/JPXStream.cc	2018-02-14 19:23:35.865242162 +0100

@@ -965,6 +965,11 @@ GBool JPXStream::readCodestream(Guint le

 	      "Different number of components in JPX SIZ marker segment");

 	return gFalse;

       }

+      if (img.nComps == 0) {

+	error(errSyntaxError, getPos(),

+	      "Invalid number of components in JPX SIZ marker segment");

+	return gFalse;

+      }

       if (img.xSize == 0 || img.ySize == 0 ||

 	  img.xOffset >= img.xSize || img.yOffset >= img.ySize ||

 	  img.xTileSize == 0 || img.yTileSize == 0 ||