{"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_01M5NTKA76BGJ00NN9P5YSGM8J","modified_at":"2026-10-01T03:03:38.252073979Z","published_at":"2026-05-14T14:16:24.883Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-6473","https://security-tracker.debian.org/tracker/CVE-2026-6473"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-6473#Debian:14/postgresql-18","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-6473"}],"summary":"Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code a"}