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File patch-libjasper-stepsizes-overflow.diff of Package jasper
--- 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);
