{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.7.0"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "fa11ff53eb49b863d9ffff37f6afd5ff9299c581"
            },
            {
              "fixed": "a5cb4b1360a040973092f13b1af97a718e7e104a"
            },
            {
              "fixed": "e987949e0fccff6a0e7a6d3f86814d5c7a01f481"
            }
          ],
          "repo": "https://github.com/postgis/address_standardizer",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90775.json"
  },
  "details": "PostGIS address_standardizer through 3.7.0 fails to validate the Weight parameter from caller-supplied rules tables before using it as an array index. Attackers can craft malicious rule rows with out-of-range Weight values to trigger out-of-bounds reads in the load_value array, causing the PostgreSQL backend process to crash and terminate all cluster sessions.",
  "id": "CVE-2026-90775",
  "modified": "2026-09-15T03:31:06.926634677Z",
  "published": "2026-09-13T11:07:30.689Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90775.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/postgis/address_standardizer/blob/e987949e0fccff6a0e7a6d3f86814d5c7a01f481/NEWS.md"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90775"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/postgis-address-standardizer-through-3.7.0-out-of-bounds-read-via-unvalidated-rule-weight"
    },
    {
      "type": "FIX",
      "url": "https://github.com/postgis/address_standardizer/commit/a5cb4b1360a040973092f13b1af97a718e7e104a"
    },
    {
      "type": "FIX",
      "url": "https://github.com/postgis/address_standardizer/commit/e987949e0fccff6a0e7a6d3f86814d5c7a01f481"
    },
    {
      "type": "FIX",
      "url": "https://github.com/postgis/address_standardizer/pull/6"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/postgis/address_standardizer"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/postgis/address_standardizer/blob/v3.7.0/src/analyze.c#L860"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/postgis/address_standardizer/blob/v3.7.0/src/gamma.c#L301-L311"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "PostGIS address_standardizer through 3.7.0 Out-of-Bounds Read via Unvalidated Rule Weight"
}