{"action":"Upgrade dovecot to 2.4.3-r0 or later.","affected":[{"introduced":"3.1.0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["2.4.3-r0"],"id":"tcs_01M5NFMM63SP25KT5CC2YMBTTG","modified_at":"2026-10-01T02:17:49.224882426Z","published_at":"2026-03-27T09:16:20.223Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-27859","https://security.alpinelinux.org/vuln/CVE-2026-27859"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-27859#Alpine:v3.24/dovecot","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-27859"}],"summary":"A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU t"}