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CVE-2026-6575

Estado: AnalizadaMedia (4.3)—

Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL 18.4 are affected. Versions before PostgreSQL 18 are unaffected.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Postgresql — Postgresql

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-6575",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-6575",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-14T15:26:33.401571Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "PostgreSQL",
          "versions": [
            {
              "status": "affected",
              "version": "18",
              "lessThan": "18.4",
              "versionType": "rpm"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-05-14T14:16:25.693",
  "references": [
    {
      "url": "https://www.postgresql.org/support/security/CVE-2026-6575/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which causes query planning to read past end of one array.  This allows a table maintainer to infer memory values past that array end.  Within major version 18, minor versions before PostgreSQL 18.4 are affected.  Versions before PostgreSQL 18 are unaffected."
    }
  ],
  "lastModified": "2026-06-17T11:01:00.267",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F8DB17ED-67AD-41F2-B272-27AF5B4FA2B0",
              "versionEndExcluding": "18.4",
              "versionStartIncluding": "18.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"
}