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        "text": "An updated thunderbird package that fixes one security issue is now\navailable for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having critical\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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        "text": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nA heap-based buffer overflow flaw was found in the way Thunderbird handled\nPNG (Portable Network Graphics) images. An HTML mail message or remote\ncontent containing a specially-crafted PNG image could cause Thunderbird to\ncrash or, possibly, execute arbitrary code with the privileges of the user\nrunning Thunderbird. (CVE-2011-3026)\n\nAll Thunderbird users should upgrade to this updated package, which\ncorrects this issue. After installing the update, Thunderbird must be\nrestarted for the changes to take effect.",
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2011-3026"
        },
        {
          "category": "external",
          "summary": "RHBZ#790737",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=790737"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2011-3026",
          "url": "https://www.cve.org/CVERecord?id=CVE-2011-3026"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-3026",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-3026"
        },
        {
          "category": "external",
          "summary": "http://www.mozilla.org/security/announce/2012/mfsa2012-11.html",
          "url": "http://www.mozilla.org/security/announce/2012/mfsa2012-11.html"
        }
      ],
      "release_date": "2012-02-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2012-02-16T18:55:00+00:00",
          "details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/kb/docs/DOC-11259",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2012:0140"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libpng: Heap buffer overflow in png_decompress_chunk (MFSA 2012-11)"
    }
  ]
}