{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-103484","assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","state":"PUBLISHED","assignerShortName":"PostgreSQL","dateReserved":"2026-09-30T16:24:57.108Z","datePublished":"2026-10-01T19:49:03.670Z","dateUpdated":"2026-10-01T19:58:48.937Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","shortName":"PostgreSQL","dateUpdated":"2026-10-01T19:49:03.670Z"},"title":"pgvector buffer overflow in IVFFlat index build","descriptions":[{"lang":"en","value":"IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to arbitrary code execution."}],"affected":[{"defaultStatus":"unaffected","product":"pgvector","vendor":"n/a","versions":[{"lessThan":"0.8.7","status":"affected","version":"0","versionType":"semver"}]}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-787","type":"CWE","description":"Out-of-bounds Write"}]},{"descriptions":[{"lang":"en","cweId":"CWE-1284","type":"CWE","description":"Improper Validation of Specified Quantity in Input"}]}],"references":[{"url":"https://github.com/pgvector/pgvector/issues/1036"},{"url":"https://github.com/pgvector/pgvector/commit/ee00d39ab30c2a7cf9510abf9288c624d91db156"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}],"configurations":[{"lang":"en","value":"attacker has permission to create an IVFFlat index"}],"credits":[{"lang":"en","value":"Thanks to Emanuele Barbeno, Cyrill Bannwart, Urs Mueller, and Lukasz D of Compass Security for reporting this."}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T19:58:32.132643Z","id":"CVE-2026-103484","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-01T19:58:48.937Z"}}]}}