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CVE-2021-30469

Estado: ModificadaMedia (5.5)—

A flaw was found in PoDoFo 0.9.7. An use-after-free in PoDoFo::PdfVecObjects::Clear() function can cause a denial of service via a crafted PDF file.

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-2021-30469",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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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,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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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": "2021-05-26T22:15:08.017",
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1947433",
      "tags": [
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        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-416"
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-416"
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    }
  ],
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      "lang": "en",
      "value": "A flaw was found in PoDoFo 0.9.7. An use-after-free in PoDoFo::PdfVecObjects::Clear() function can cause a denial of service via a crafted PDF file."
    },
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      "lang": "es",
      "value": "Se encontró un fallo en PoDoFo versión 0.9.7. Un uso de la memoria previamente liberada en la función PoDoFo::PdfVecObjects::Clear() puede causar una denegación de servicio por medio de un archivo PDF diseñado"
    }
  ],
  "lastModified": "2026-06-17T03:50:17.980",
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