--- jasper-1.900.1.orig/src/libjasper/jpc/jpc_cs.c	2007-01-19 22:43:07.000000000 +0100

+++ jasper-1.900.1/src/libjasper/jpc/jpc_cs.c	2007-04-06 01:29:02.000000000 +0200

@@ -982,7 +982,10 @@ static int jpc_qcx_getcompparms(jpc_qcxc

 		compparms->numstepsizes = (len - n) / 2;

 		break;

 	}

-	if (compparms->numstepsizes > 0) {

+	if (compparms->numstepsizes > 3 * JPC_MAXRLVLS + 1) {

+		jpc_qcx_destroycompparms(compparms);

+                return -1;

+        } else if (compparms->numstepsizes > 0) {

 		compparms->stepsizes = jas_malloc(compparms->numstepsizes *

 		  sizeof(uint_fast16_t));

 		assert(compparms->stepsizes);