Stack overflow parsing XML with deeply nested DTD content models

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  "cveMetadata": {
    "cveId": "CVE-2026-4224",
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    "dateUpdated": "2026-03-16T18:21:11.567Z",
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      "title": "Stack overflow parsing XML with deeply nested DTD content models",
      "descriptions": [
        {
          "lang": "en",
          "value": "When an Expat parser with a registered ElementDeclHandler parses an inline\ndocument type definition containing a deeply nested content model a C stack\noverflow occurs.",
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              "value": "When an Expat parser with a registered ElementDeclHandler parses an inline\ndocument type definition containing a deeply nested content model a C stack\noverflow occurs."
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