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CVE-2021-30471

Estado: ModificadaMedia (5.5)—

A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call in PdfNamesTree::AddToDictionary function in src/podofo/doc/PdfNamesTree.cpp can lead to a stack overflow.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Fedoraproject — FedoraPodofo Project — PodofoRedhat — Enterprise Linux

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-30471",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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  "affected": [
    {
      "source": "patrick@puiterwijk.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "podofo",
          "versions": [
            {
              "status": "affected",
              "version": "PoDoFo 0.9.7"
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  "published": "2021-05-26T22:15:08.090",
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1947441",
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        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
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  "vulnStatus": "Modified",
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      "type": "Secondary",
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          "lang": "en",
          "value": "CWE-674"
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-674"
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      "lang": "en",
      "value": "A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call in PdfNamesTree::AddToDictionary function in src/podofo/doc/PdfNamesTree.cpp can lead to a stack overflow."
    },
    {
      "lang": "es",
      "value": "Se encontró un fallo en PoDoFo versión 0.9.7. Una llamada recursiva no controlada en la función PdfNamesTree::AddToDictionary en el archivo src/podofo/doc/PdfNamesTree.cpp puede conllevar a un desbordamiento de pila"
    }
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  "lastModified": "2026-06-17T03:50:18.190",
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