hostapd fails to process crafted RADIUS packets properly. When hostapd authenticates wi-fi devices with RADIUS authentication, an attacker in the position between the hostapd and the RADIUS server may inject crafted RADIUS packets and force RADIUS authentications to fail.
https://w1.fi/cgit/hostap/commit/?id=726432d7622cc0088ac353d073b59628b590ea44
https://w1.fi/cgit/hostap/commit/?id=339a334551ca911187cc870f4f97ef08e11db109