A jailer in Cleburne County in Heflin who would not give her name says Dareus was arrested Monday night by a state trooper and was released from the jail within an hour.
She says he was arrested on a charge of possession of a controlled substance and drug paraphernalia. She did not have an attorney for him listed or a court date.
Sheriff Joe Jacks also confirmed to WVUA-TV that Dareus was arrested.
Dareus was selected third overall in the 2011 draft and is in his fourth season with the Bills. The 24-year-old played for Alabama.
Last season he had 7.5 sacks and 71 tackles.