{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ee00d39ab30c2a7cf9510abf9288c624d91db156"
            }
          ],
          "repo": "https://github.com/pgvector/pgvector",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "PostgreSQL",
    "cwe_ids": [
      "CWE-1284",
      "CWE-787"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103484.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "0.8.7"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "fixed": "0.8.7"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "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.",
  "id": "CVE-2026-103484",
  "modified": "2026-10-04T02:30:39.819539764Z",
  "published": "2026-10-01T19:49:03.670Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103484.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-103484"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pgvector/pgvector/issues/1036"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pgvector/pgvector/commit/ee00d39ab30c2a7cf9510abf9288c624d91db156"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pgvector buffer overflow in IVFFlat index build"
}