{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.2.5"
              },
              {
                "fixed": "1.2.5"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b5db45acfbb26ab212dc8f7fa2a5449f5ba17377"
            }
          ],
          "repo": "https://github.com/pgpointcloud/pointcloud",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100387.json"
  },
  "details": "pgPointcloud through 1.2.5 contains a heap out-of-bounds read vulnerability in dimensional patch WKB deserialization that allows authenticated database users to read adjacent heap memory. Attackers can supply crafted pcpatch values with attacker-controlled size fields to copy heap memory into stored patches for exfiltration or crash the PostgreSQL backend.",
  "id": "CVE-2026-100387",
  "modified": "2026-09-27T03:30:44.865530165Z",
  "published": "2026-09-25T20:13:05.306Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100387.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100387"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-bounds-read-via-wkb-deserialization"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pgpointcloud/pointcloud/issues/387"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pgpointcloud/pointcloud/pull/388"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pgpointcloud/pointcloud"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserialization"
}