diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c index 63e58ff55a..a9b04b8569 100644 --- a/libavcodec/alsdec.c +++ b/libavcodec/alsdec.c @@ -663,6 +663,10 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd) int opt_order_length = av_ceil_log2(av_clip((bd->block_length >> 3) - 1, 2, sconf->max_order + 1)); *bd->opt_order = get_bits(gb, opt_order_length); + if (*bd->opt_order > sconf->max_order) { + av_log(avctx, AV_LOG_ERROR, "Order too large\n"); + return -1; + } } else { *bd->opt_order = sconf->max_order; }