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CVE-2017-17973

Estado: ModificadaAlta (8.8)—

In LibTIFF 4.0.8, there is a heap-based use-after-free in the t2p_writeproc function in tiff2pdf.c. NOTE: there is a third-party report of inability to reproduce this issue

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 (1)

Libtiff — Libtiff

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-17973",
  "cveTags": [
    {
      "tags": [
        "disputed"
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      "sourceIdentifier": "cve@mitre.org"
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  "metrics": {
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          "id": "CVE-2017-17973",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-04-22T20:05:47.692364Z"
        }
      }
    ],
    "cvssMetricV2": [
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        "type": "Primary",
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          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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          "confidentialityImpact": "HIGH"
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    ]
  },
  "affected": [
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      "source": "cve@mitre.org",
      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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  ],
  "published": "2017-12-29T21:29:00.190",
  "references": [
    {
      "url": "http://bugzilla.maptools.org/show_bug.cgi?id=2769",
      "tags": [
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        "Issue Tracking",
        "Third Party Advisory"
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      "tags": [
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      "source": "cve@mitre.org"
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    {
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1530912",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugzilla.maptools.org/show_bug.cgi?id=2769",
      "tags": [
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    },
    {
      "url": "http://www.securityfocus.com/bid/102331",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In LibTIFF 4.0.8, there is a heap-based use-after-free in the t2p_writeproc function in tiff2pdf.c. NOTE: there is a third-party report of inability to reproduce this issue"
    },
    {
      "lang": "es",
      "value": "** EN DISPUTA ** En LibTIFF 4.0.8, hay un uso de memoria dinámica (heap) previamente liberada en la función t2p_writeproc en tiff2pdf.c. NOTA: hay un informe de terceros que establece que es imposible reproducir este problema."
    }
  ],
  "lastModified": "2026-06-17T01:11:58.610",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}