@@ -435,7 +435,8 @@ static av_cold int decode_init(AVCodecContext *avctx)

             for (x = 0; x < num_possible_block_sizes; x++) {

                 int v = 0;

                 while (s->sfb_offsets[x][v + 1] << x < offset)

-                    ++v;

+                    if (++v >= MAX_BANDS)

+                        return AVERROR_INVALIDDATA;

                 s->sf_offsets[i][x][b] = v;

             }

         }