Harry Kane has reaffirmed his commitment to Tottenham after reports of interest from Manchester United.
Southampton's on-loan defender Toby Alderweireld hopes his future can be resolved quickly.
The 22-year-old, a former France Under-21 international, was given the all clear to switch to the French club following an approach before the transfer deadline.
Gueye, who moved to Goodison Park from Strasbourg in June 2010, has made just six appearances for the Toffees this season.
Brest are currently only four points above the Ligue 1 relegation zone.