{"action":"Upgrade dovecot to 1:2.2.27-1 or later.","affected":[{"fixed":"1:2.2.27-1","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:2.2.27-1"],"id":"tcs_01M5NBS9N05ZSWGA96WRYHXGWA","modified_at":"2026-09-22T07:02:16.754951272Z","published_at":"2017-02-17T02:59:13.547Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-8652","https://security-tracker.debian.org/tracker/CVE-2016-8652"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-8652","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-8652"}],"summary":"The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username."}