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CVE-2015-4511

Estado: ModificadaMedia (6.8)—

Vulnerabilidad de desbordamiento del buffer basado en memoria dinámica en la función nestegg_track_codec_data en Mozilla Firefox en versiones anteriores a 41.0 y Firefox EXR 38.x en versiones anteriores a 38.3, permite a atacantes remotos ejecutar código arbitrario a través de una cabecera manipulada en un video WebM.

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)

Mozilla — Firefox

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2015-4511",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "security@mozilla.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-09-24T04:59:14.347",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html",
      "source": "security@mozilla.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html",
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    {
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    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html",
      "source": "security@mozilla.org"
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    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1834.html",
      "source": "security@mozilla.org"
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3365",
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    },
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      "url": "http://www.mozilla.org/security/announce/2015/mfsa2015-105.html",
      "tags": [
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      "source": "security@mozilla.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html",
      "source": "security@mozilla.org"
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    {
      "url": "http://www.securityfocus.com/bid/76816",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1200148",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow in the nestegg_track_codec_data function in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allows remote attackers to execute arbitrary code via a crafted header in a WebM video."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de desbordamiento del buffer basado en memoria dinámica en la función nestegg_track_codec_data en Mozilla Firefox en versiones anteriores a 41.0 y Firefox EXR 38.x en versiones anteriores a 38.3, permite a atacantes remotos ejecutar código arbitrario a través de una cabecera manipulada en un video WebM."
    }
  ],
  "lastModified": "2026-06-17T00:27:26.470",
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