Security advisory

{
  "id": "b8bbcee1dff1c9d9b022955dca2ee49bed3bfbd0b8a88c0ded5efa95bcba6cef",
  "url": "https://osv.dev/vulnerability/CVE-2021-42859",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-42859",
    "summary": "A memory leak issue was discovered in Mini-XML v3.2 that could cause a denial of service. NOTE: testing reports are inconsistent, with some testers seeing the issue in both the 3.2 release and in the October 2021 development code, but others not seeing the issue in the 3.2 release",
    "evidence": "osv:CVE-2021-42859",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-42859",
      "aliases": [
        "CVE-2021-42859"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/michaelrsweet/mxml",
              "type": "GIT",
              "events": [
                {
                  "introduced": "38b044ed8ca2a611ed9ed3e26c4b46416335194e"
                },
                {
                  "last_affected": "38b044ed8ca2a611ed9ed3e26c4b46416335194e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mini-xml_project:mini-xml:3.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.2"
                      },
                      {
                        "last_affected": "3.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.2",
            "v3.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42859.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:06.262152422Z",
      "provider": "osv",
      "references": [
        "https://github.com/michaelrsweet/mxml/issues/286"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-42859",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384863,
  "published_at": "2022-05-26T12:15:07.647+00:00"
}