{"action":"Upgrade dovecot to 1:2.4.5+dfsg1-1 or later.","affected":[{"fixed":"1:2.4.5+dfsg1-1","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:2.4.5+dfsg1-1"],"id":"tcs_01M5NRX1YZA41G0GH8A87DH580","modified_at":"2026-10-31T16:04:23.061479954Z","published_at":"2026-08-28T12:16:28.240Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-40014","https://security-tracker.debian.org/tracker/CVE-2026-40014"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-40014#Debian:14/dovecot","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-40014"}],"summary":"An attacker that can send mail to a user can craft a message header that makes the IMAP THREAD command consume CPU disproportionate to the size of the message. When a mail client issues a THREAD comma"}