diff -urNp old/src/libjasper/jp2/jp2_enc.c new/src/libjasper/jp2/jp2_enc.c --- old/src/libjasper/jp2/jp2_enc.c 2018-06-21 09:46:45.090301777 +0200 +++ new/src/libjasper/jp2/jp2_enc.c 2018-06-21 10:18:17.602305787 +0200 @@ -115,6 +115,11 @@ int sgnd; iccstream = 0; iccprof = 0; + if (jas_image_numcmpts(image) < 1) { + // jas_eprintf("image must have at least one component\n"); + goto error; + } + allcmptssame = 1; sgnd = jas_image_cmptsgnd(image, 0); prec = jas_image_cmptprec(image, 0);