1 diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c 2 index 2fccff1..aebe9be 100644 3 --- a/third_party/libopenjpeg20/tcd.c 4 +++ b/third_party/libopenjpeg20/tcd.c 5 @@ -727,7 +727,10 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, 6 l_tilec->x1 = opj_int_ceildiv(l_tile->x1, (OPJ_INT32)l_image_comp->dx); 7 l_tilec->y1 = opj_int_ceildiv(l_tile->y1, (OPJ_INT32)l_image_comp->dy); 8 /*fprintf(stderr, "\tTile compo border = %d,%d,%d,%d\n", l_tilec->x0, l_tilec->y0,l_tilec->x1,l_tilec->y1);*/ 9 - 10 + if (l_tilec->x0 >= l_tilec->x1 || l_tilec->y0 >= l_tilec->y1) { 11 + opj_event_msg(manager, EVT_ERROR, "Invalid tile data\n"); 12 + return OPJ_FALSE; 13 + } 14 /* compute l_data_size with overflow check */ 15 l_data_size = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0); 16 if ((((OPJ_UINT32)-1) / l_data_size) < (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0)) { 17