diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c index 1dd15405d..acc28dd55 100644 --- a/third_party/libopenjpeg20/tcd.c +++ b/third_party/libopenjpeg20/tcd.c @@ -818,6 +818,11 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, if (isEncoder) { OPJ_SIZE_T l_tile_data_size; + if (l_tilec->x0 >= l_tilec->x1 || l_tilec->y0 >= l_tilec->y1) { + opj_event_msg(manager, EVT_ERROR, "Invalid tile data\n"); + return OPJ_FALSE; + } + /* compute l_data_size with overflow check */ OPJ_SIZE_T w = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0); OPJ_SIZE_T h = (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);