Houser signed a one-year, two-way contract with Buffalo on Saturday, according to PuckPedia.
Houser agreed to terms on a contract with Buffalo on Monday and was subsequently processed through waivers.
Houser was assigned to ECHL Cincinnati on Saturday.
Houser was recalled from AHL Rochester on Friday.
Houser cleared waivers and was sent to AHL Rochester on Thursday.
Houser (COVID-19 protocols) was placed on waivers Wednesday, per Elliotte Friedman of Sportsnet.
Houser entered the NHL's COVID-19 protocols Friday.
Houser turned aside 30 shots in Saturday's 6-3 win over the Flyers.
Houser will defend the cage Saturday against visiting Philadelphia.
Houser made 43 saves on 44 shots in a 3-1 win over the Senators on Tuesday.