{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Critical"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "title": "Buffer overflow in Web Audio Speex resampler (MFSA 2014-53)",
    "tracking": {
      "current_release_date": "2026-08-11T13:57:06+00:00",
      "generator": {
        "date": "2026-08-11T13:57:06+00:00",
        "engine": {
          "name": "CSAF Generator",
          "version": "3.3.0"
        }
      },
      "id": "CVE-2014-1542",
      "initial_release_date": "2014-06-10T00:00:00+00:00",
      "revision_history": [
        {
          "date": "2026-08-11T13:57:06+00:00",
          "number": "1",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
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        "category": "vendor",
        "name": "Red Hat",
        "branches": [
          {
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            "name": "Red Hat Enterprise Linux 5.11",
            "product": {
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              "product_id": "rhel-5.11.z.els",
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                "cpe": "cpe:/o:redhat:rhel_els:5"
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            "product": {
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              "product_id": "rhel-6-els.els",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:rhel_els:6"
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              "product_identification_helper": {
                "purl": "pkg:rpm/redhat/firefox"
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                "purl": "pkg:rpm/redhat/firefox?arch=src"
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              "product_identification_helper": {
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              "name": "thunderbird",
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        "category": "default_component_of",
        "full_product_name": {
          "name": "firefox as a component of Red Hat Enterprise Linux 6-els",
          "product_id": "rhel-6-els.els:firefox"
        },
        "product_reference": "firefox",
        "relates_to_product_reference": "rhel-6-els.els"
      },
      {
        "category": "default_component_of",
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        "relates_to_product_reference": "rhel-5.11.z.els"
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        "full_product_name": {
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          "product_id": "rhel-6-els.els:firefox.src"
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        "product_reference": "firefox.src",
        "relates_to_product_reference": "rhel-6-els.els"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "thunderbird as a component of Red Hat Enterprise Linux 6-els",
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        "relates_to_product_reference": "rhel-6-els.els"
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        "relates_to_product_reference": "rhel-6-els.els"
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        },
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        "relates_to_product_reference": "rhel-5.11.z.els"
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    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2014-1542",
      "discovery_date": "2014-06-10T00:00:00+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
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            "rhel-5.11.z.els:thunderbird.src",
            "rhel-6-els.els:firefox",
            "rhel-6-els.els:firefox.src",
            "rhel-6-els.els:thunderbird",
            "rhel-6-els.els:thunderbird.src"
          ]
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6",
          "title": "Statement"
        },
        {
          "category": "description",
          "text": "Buffer overflow in the Speex resampler in the Web Audio subsystem in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code via vectors related to a crafted AudioBuffer channel count and sample rate.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
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          "rhel-5.11.z.els:thunderbird.src",
          "rhel-6-els.els:firefox",
          "rhel-6-els.els:firefox.src",
          "rhel-6-els.els:thunderbird",
          "rhel-6-els.els:thunderbird.src"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2014-1542"
        },
        {
          "category": "external",
          "summary": "nvd.nist.gov",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-1542"
        },
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-1542"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "version": "2.0",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "baseScore": 6.8
          },
          "products": [
            "rhel-5.11.z.els:firefox.src",
            "rhel-5.11.z.els:thunderbird.src",
            "rhel-6-els.els:firefox",
            "rhel-6-els.els:firefox.src",
            "rhel-6-els.els:thunderbird",
            "rhel-6-els.els:thunderbird.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical",
          "product_ids": [
            "rhel-5.11.z.els:firefox.src",
            "rhel-5.11.z.els:thunderbird.src",
            "rhel-6-els.els:firefox",
            "rhel-6-els.els:firefox.src",
            "rhel-6-els.els:thunderbird",
            "rhel-6-els.els:thunderbird.src"
          ]
        }
      ],
      "title": "Buffer overflow in Web Audio Speex resampler (MFSA 2014-53)"
    }
  ]
}