Security advisory

{
  "id": "37194e9155a74e2064af772078c16560b3bb7ee967e4cdc362b6d02e0fbd428b",
  "url": "https://osv.dev/vulnerability/CVE-2018-18482",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-18482",
    "summary": "An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service.",
    "evidence": "osv:CVE-2018-18482",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-18482",
      "aliases": [
        "CVE-2018-18482",
        "GHSA-vm3q-58wm-2r2x",
        "PYSEC-2018-154",
        "PYSEC-2026-895"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pganalyze/libpg_query",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d710cb0f3edf4a0f98dde5b4411ea103fd4b1807"
                },
                {
                  "last_affected": "d710cb0f3edf4a0f98dde5b4411ea103fd4b1807"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libpg_query_project:libpg_query:10-1.0.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10-1.0.2"
                      },
                      {
                        "last_affected": "10-1.0.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "10-1.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18482.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:50.726905994Z",
      "provider": "osv",
      "references": [
        "https://github.com/lfittl/libpg_query/issues/49"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-18482",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380382,
  "published_at": "2018-10-18T18:29:01.077+00:00"
}