{"action":"Upgrade dovecot to 1:2.4.1+dfsg1-6+deb13u7 or later.","affected":[{"fixed":"1:2.4.1+dfsg1-6+deb13u7","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:2.4.1+dfsg1-6+deb13u7"],"id":"tcs_01M5NS0G0CDT252NJ8R1MBNSJZ","modified_at":"2026-10-31T16:04:23.655626457Z","published_at":"2026-08-28T12:16:29.887Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-42395","https://security-tracker.debian.org/tracker/CVE-2026-42395"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-42395#Debian:13/dovecot","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-42395"}],"summary":"A host listed as a trusted proxy can send forwarding information containing a NUL byte, which crashes the login process on the following login attempt. The login process is terminated, which can cause"}