{"action":"Upgrade dovecot to 2.3.11.3-r0 or later.","affected":[{"fixed":"2.3.11.3-r0","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.12","exploited":false,"fixed_versions":["2.3.11.3-r0"],"id":"tcs_01M5NC44QWB91PAPRHA2PYEBYT","modified_at":"2026-09-11T10:17:51.369974299Z","published_at":"2020-08-12T16:15:11.823Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-12673","https://security.alpinelinux.org/vuln/CVE-2020-12673"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-12673#Alpine:v3.12/dovecot","url":"https://osv.dev/vulnerability/ALPINE-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."}