{"action":"Upgrade dovecot to 2.4.5-r0 or later.","affected":[{"fixed":"2.4.5-r0","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["2.4.5-r0"],"id":"tcs_01M5NFQ29RTSA0BQ6CDY38H3VG","modified_at":"2026-10-01T02:17:49.274388680Z","published_at":"2026-08-28T12:16:28.770Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-40019","https://security.alpinelinux.org/vuln/CVE-2026-40019"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-40019","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-40019"}],"summary":"An unauthenticated attacker can send a truncated quoted argument to the ManageSieve login process, which makes it spin in an infinite loop consuming CPU. This can cause degradation or denial of servic"}