Security advisory

{
  "id": "1ff14fa19efd9356e733d496242aae7784bbc36ec92c7b9f1a1d516aecb9a554",
  "url": "https://osv.dev/vulnerability/CVE-2021-23463",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23463",
    "summary": "The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via the org.h2.jdbc.JdbcSQLXML class object, when it receives parsed string data from org.h2.jdbc.JdbcResultSet.getSQLXML() method. If it executes the getSource() method when the parameter is DOMSource.class it will trigger the vulnerability.",
    "evidence": "osv:CVE-2021-23463",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-23463",
      "aliases": [
        "CVE-2021-23463",
        "GHSA-7rpj-hg47-cx62",
        "SNYK-JAVA-COMH2DATABASE-1769238"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/h2database/h2database",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2b8fa36798a2f142d3b8eacf89b7da00645a6f75"
                },
                {
                  "fixed": "bb50243925f1707495d0b8e06a3e0e6caeed17ed"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:h2database:h2:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.198"
                      },
                      {
                        "fixed": "2.0.202"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "version-1.4.200",
            "version-1.4.199",
            "version-1.4.198"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23463.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:32.313079714Z",
      "provider": "osv",
      "references": [
        "https://www.oracle.com/security-alerts/cpuapr2022.html",
        "https://security.netapp.com/advisory/ntap-20230818-0010/",
        "https://github.com/h2database/h2database/commit/d83285fd2e48fb075780ee95badee6f5a15ea7f8%23diff-008c2e4462609982199cd83e7cf6f1d6b41296b516783f6752c44b9f15dc7bc3",
        "https://github.com/h2database/h2database/issues/3195",
        "https://github.com/h2database/h2database/pull/3199",
        "https://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-23463",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385511,
  "published_at": "2021-12-10T20:15:07.917+00:00"
}