{"action":"Upgrade dovecot to 1:2.3.19.1+dfsg1-2.1+deb12u6 or later.","affected":[{"fixed":"1:2.3.19.1+dfsg1-2.1+deb12u6","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:2.3.19.1+dfsg1-2.1+deb12u6"],"id":"tcs_01M5NRX2CCY2T4T1D5XPJWY809","modified_at":"2026-10-27T09:47:41.419244288Z","published_at":"2026-05-12T14:17:03.570Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-40016","https://security-tracker.debian.org/tracker/CVE-2026-40016"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-40016","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-40016"}],"summary":"Attacker can upload a malicious Sieve script over ManageSieve service (or locally) to bypass configured CPU time limits for Sieve up to 130 times of the configured limit. Attacker can use this to degr"}