Conn. Gen. Stat. § 53a-217a: Criminally negligent storage of a firearm: Class D felony.

(a) Except as provided in subsection (b) of this section, a person is guilty of criminally negligent storage of a firearm when such person violates the provisions of section 29-37i and another person obtains the firearm and causes the injury or death of such person or any other person.

(b) The provisions of this section shall not apply if the person obtains the firearm as a result of an unlawful entry to any premises by any person and, if such firearm is stolen, such firearm is reported stolen pursuant to the provisions of section 53-202g.

(c) Criminally negligent storage of a firearm is a class D felony.