{"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_01M5NRX1NM9X0PWECTRAEXHP27","modified_at":"2026-10-01T03:03:04.350336271Z","published_at":"2026-08-28T12:16:28.113Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-40013","https://security-tracker.debian.org/tracker/CVE-2026-40013"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-40013#Debian:14/dovecot","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-40013"}],"summary":"An attacker that has valid credentials can submit a Sieve script containing an extreme numeric literal, which causes an out-of-bounds write when the ManageSieve service compiles the script. This cause"}