hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation.
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-4476.json"