{
    "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2011-2686",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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                    "vendor_name": "n/a"
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    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Ruby before 1.8.7-p352 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.  NOTE: this issue exists because of a regression during Ruby 1.8.6 development."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
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                        "lang": "eng",
                        "value": "n/a"
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    "references": {
        "reference_data": [
            {
                "name": "[oss-security] 20110712 Re: CVE Request: ruby PRNG fixes",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2011/07/12/14"
            },
            {
                "name": "http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/",
                "refsource": "CONFIRM",
                "url": "http://www.ruby-lang.org/en/news/2011/07/02/ruby-1-8-7-p352-released/"
            },
            {
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=722415",
                "refsource": "CONFIRM",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=722415"
            },
            {
                "name": "[oss-security] 20110720 Re: CVE Request: ruby PRNG fixes",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2011/07/20/16"
            },
            {
                "name": "http://redmine.ruby-lang.org/issues/show/4338",
                "refsource": "CONFIRM",
                "url": "http://redmine.ruby-lang.org/issues/show/4338"
            },
            {
                "name": "http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog",
                "refsource": "CONFIRM",
                "url": "http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_352/ChangeLog"
            },
            {
                "name": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=31713",
                "refsource": "CONFIRM",
                "url": "http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=31713"
            },
            {
                "name": "FEDORA-2011-9374",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063062.html"
            },
            {
                "name": "ruby-random-number-dos(69032)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69032"
            },
            {
                "name": "[oss-security] 20110720 Re: CVE Request: ruby PRNG fixes",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2011/07/20/1"
            },
            {
                "name": "[oss-security] 20110711 CVE Request: ruby PRNG fixes",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2011/07/11/1"
            },
            {
                "name": "49015",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/49015"
            },
            {
                "name": "FEDORA-2011-9359",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063071.html"
            }
        ]
    }
}