{"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_01M5NRX37VQ5XMF1ZPSJ9Q9FSK","modified_at":"2026-10-01T03:03:04.125308678Z","published_at":"2026-08-28T12:16:28.770Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-40019","https://security-tracker.debian.org/tracker/CVE-2026-40019"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-40019","url":"https://osv.dev/vulnerability/DEBIAN-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"}