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--- jasper-1.900.1/src/libjasper/jpc/jpc_t2cod.c 2007-01-19 22:43:07.000000000 +0100
+++ jasper-1.900.1/src/libjasper/jpc/jpc_t2cod.c 2016-01-14 14:22:24.569056412 +0100
@@ -429,7 +429,7 @@
}
for (pi->compno = pchg->compnostart, pi->picomp =
- &pi->picomps[pi->compno]; pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno,
+ &pi->picomps[pi->compno]; pi->compno < JAS_CAST(int, pchg->compnoend) && pi->compno < pi->numcomps; ++pi->compno,
++pi->picomp) {
pirlvl = pi->picomp->pirlvls;
pi->xstep = pi->picomp->hsamp * (1 << (pirlvl->prcwidthexpn +
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