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jasper.23813
jasper-CVE-2021-3443.patch
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File jasper-CVE-2021-3443.patch of Package jasper.23813
Index: jasper-2.0.14/src/libjasper/jp2/jp2_dec.c =================================================================== --- jasper-2.0.14.orig/src/libjasper/jp2/jp2_dec.c +++ jasper-2.0.14/src/libjasper/jp2/jp2_dec.c @@ -433,7 +433,13 @@ jas_image_t *jp2_decode(jas_stream_t *in } } else { for (i = 0; i < dec->numchans; ++i) { - jas_image_setcmpttype(dec->image, dec->chantocmptlut[i], + unsigned compno = dec->chantocmptlut[i]; + if (compno >= jas_image_numcmpts(dec->image)) { + jas_eprintf( + "error: invalid component reference (%d)\n", compno); + goto error; + } + jas_image_setcmpttype(dec->image, compno, jp2_getct(jas_image_clrspc(dec->image), 0, i + 1)); } }
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