{"action":"Upgrade dovecot to 1:2.3.16+dfsg1-1 or later.","affected":[{"fixed":"1:2.3.16+dfsg1-1","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:2.3.16+dfsg1-1"],"id":"tcs_01M5NEZMKEXAFPSGNMF9H8T6FQ","modified_at":"2026-10-26T12:02:42.803367992Z","published_at":"2021-06-28T13:15:12.357Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-28200","https://security-tracker.debian.org/tracker/CVE-2020-28200"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-28200#Debian:13/dovecot","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-28200"}],"summary":"The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension."}