{"action":"Upgrade dovecot to 1:2.3.19.1+dfsg1-2.1+deb12u7 or later.","affected":[{"fixed":"1:2.3.19.1+dfsg1-2.1+deb12u7","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:2.3.19.1+dfsg1-2.1+deb12u7"],"id":"tcs_01M5NRZR5HZ9F9Z98J5DM5AH4B","modified_at":"2026-10-31T16:04:23.684949130Z","published_at":"2026-08-28T12:16:29.380Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-42008","https://security-tracker.debian.org/tracker/CVE-2026-42008"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-42008","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-42008"}],"summary":"Forwarding information received from a host listed as a trusted proxy is not kept separate from Dovecot's own authentication fields, so a value sent by that host can be injected as an internal authent"}