{"action":"Upgrade dovecot to 1:2.3.11.3+dfsg1-1 or later.","affected":[{"fixed":"1:2.3.11.3+dfsg1-1","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:2.3.11.3+dfsg1-1"],"id":"tcs_01M5NEHYXWWN66MTKP54KVZKS3","modified_at":"2026-10-26T12:00:30.308017191Z","published_at":"2020-08-12T16:15:11.823Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-12673","https://security-tracker.debian.org/tracker/CVE-2020-12673"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-12673","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-12673"}],"summary":"In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read."}