diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index c031b40b5e..71d0ff41b2 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -2090,7 +2090,10 @@ static int dirac_decode_data_unit(AVCodecContext *avctx, const uint8_t *buf, int return ret; } - ret = ff_set_dimensions(avctx, dsh->width, dsh->height); + if (CALC_PADDING((int64_t)dsh->width, MAX_DWT_LEVELS) * CALC_PADDING((int64_t)dsh->height, MAX_DWT_LEVELS) > avctx->max_pixels) + ret = AVERROR(ERANGE); + if (ret >= 0) + ret = ff_set_dimensions(avctx, dsh->width, dsh->height); if (ret < 0) { av_freep(&dsh); return ret;