{"action":"Upgrade dovecot to 2.3.6-r0 or later.","affected":[{"fixed":"2.3.6-r0","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.15","exploited":false,"fixed_versions":["2.3.6-r0"],"id":"tcs_01M5NB53ZBAVRV68JZFN2WCFXM","modified_at":"2026-09-21T06:17:52.452453636Z","published_at":"2019-04-24T17:29:00.397Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2019-10691","https://security.alpinelinux.org/vuln/CVE-2019-10691"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2019-10691#Alpine:v3.15/dovecot","url":"https://osv.dev/vulnerability/ALPINE-CVE-2019-10691"}],"summary":"The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username."}