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CVE-2016-7520

Estado: ModificadaMedia (6.5)—

Desbordamiento de búfer basado en memoria dinámica en coders/hdr.c en ImageMagick permite a atacantes remotos provocar una denegación de servicio (lectura fuera de límites) a través de un archivo HDR manipulado.

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)

Imagemagick — Imagemagick

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-7520",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "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
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/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"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-04-20T18:59:01.060",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/09/22/2",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/93131",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537213",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1378747",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick/commit/14e606db148d6ebcaae20f1e1d6d71903ca4a556",
      "tags": [
        "Patch"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick/issues/90",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/09/22/2",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/93131",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537213",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1378747",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick/commit/14e606db148d6ebcaae20f1e1d6d71903ca4a556",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/ImageMagick/ImageMagick/issues/90",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow in coders/hdr.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted HDR file."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer basado en memoria dinámica en coders/hdr.c en ImageMagick permite a atacantes remotos provocar una denegación de servicio (lectura fuera de límites) a través de un archivo HDR manipulado."
    }
  ],
  "lastModified": "2026-06-17T00:53:10.847",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CFC2C780-A54E-4426-9C52-46A20216339E",
              "versionEndExcluding": "6.9.4-0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@debian.org"
}