{"action":"Upgrade postgresql-18 to 18.6-1 or later.","affected":[{"fixed":"18.6-1","introduced":"0"}],"component":"postgresql-18","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["18.6-1"],"id":"tcs_01M5NQPJ2828VPEJTYT64E86FJ","modified_at":"2026-10-01T03:02:26.142640083Z","published_at":"2026-08-13T13:17:46.520Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-16239","https://security-tracker.debian.org/tracker/CVE-2026-16239"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-16239#Debian:14/postgresql-18","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-16239"}],"summary":"Type confusion in PostgreSQL \"portal\"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creation of a cursor or other portal with diffe"}