{"action":"Upgrade dovecot to 2.4.5-r0 or later.","affected":[{"fixed":"2.4.5-r0","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["2.4.5-r0"],"id":"tcs_01M5NFR154MKE37N3MCQRZS70Y","modified_at":"2026-10-01T02:17:49.292116583Z","published_at":"2026-08-28T12:16:29.887Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-42395","https://security.alpinelinux.org/vuln/CVE-2026-42395"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-42395","url":"https://osv.dev/vulnerability/ALPINE-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"}