{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/postgis/address_standardizer",
          "product": "address_standardizer",
          "repo": "https://github.com/postgis/address_standardizer",
          "vendor": "PostGIS",
          "versions": [
            {
              "lessThanOrEqual": "3.7.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Harsh Raj Singhania"
        }
      ],
      "datePublic": "2026-08-14T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-13T11:07:30.689Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Unvalidated Weight in rules_add_rule() at v3.7.0",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/postgis/address_standardizer/blob/v3.7.0/src/gamma.c#L301-L311"
        },
        {
          "name": "Out-of-bounds index into __load_value__ at v3.7.0",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/postgis/address_standardizer/blob/v3.7.0/src/analyze.c#L860"
        },
        {
          "name": "NEWS.md",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/postgis/address_standardizer/blob/e987949e0fccff6a0e7a6d3f86814d5c7a01f481/NEWS.md"
        },
        {
          "name": "Pull Request #6",
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/postgis/address_standardizer/pull/6"
        },
        {
          "name": "Fix Commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/postgis/address_standardizer/commit/a5cb4b1360a040973092f13b1af97a718e7e104a"
        },
        {
          "name": "Merge Commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/postgis/address_standardizer/commit/e987949e0fccff6a0e7a6d3f86814d5c7a01f481"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/postgis/address_standardizer"
        },
        {
          "name": "VulnCheck Advisory: PostGIS address_standardizer through 3.7.0 Out-of-Bounds Read via Unvalidated Rule Weight",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/postgis-address-standardizer-through-3.7.0-out-of-bounds-read-via-unvalidated-rule-weight"
        }
      ],
      "title": "PostGIS address_standardizer through 3.7.0 Out-of-Bounds Read via Unvalidated Rule Weight",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-90775",
    "datePublished": "2026-09-13T11:07:30.689Z",
    "dateReserved": "2026-09-13T10:54:46.826Z",
    "dateUpdated": "2026-09-13T11:07:30.689Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}