{"action":"Upgrade postgresql-18 to 18.4-1 or later.","affected":[{"fixed":"18.4-1","introduced":"0"}],"component":"postgresql-18","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["18.4-1"],"id":"tcs_01M5NTKFEE5SV9MF8J6GTJQ781","modified_at":"2026-10-01T03:03:48.176160073Z","published_at":"2026-05-14T14:16:25.463Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-6478","https://security-tracker.debian.org/tracker/CVE-2026-6478"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-6478#Debian:14/postgresql-18","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-6478"}],"summary":"Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 pa"}