{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2011-4838",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "JRuby before 1.6.5.1 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "http://www.nruns.com/_downloads/advisory28122011.pdf",
                "refsource": "MISC",
                "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"
            },
            {
                "name": "jruby-hash-dos(72019)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72019"
            },
            {
                "name": "http://jruby.org/2011/12/27/jruby-1-6-5-1.html",
                "refsource": "CONFIRM",
                "url": "http://jruby.org/2011/12/27/jruby-1-6-5-1.html"
            },
            {
                "name": "50084",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/50084"
            },
            {
                "name": "47407",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/47407"
            },
            {
                "name": "VU#903934",
                "refsource": "CERT-VN",
                "url": "http://www.kb.cert.org/vuls/id/903934"
            },
            {
                "name": "RHSA-2012:1232",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2012-1232.html"
            },
            {
                "name": "20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table",
                "refsource": "BUGTRAQ",
                "url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html"
            },
            {
                "name": "GLSA-201207-06",
                "refsource": "GENTOO",
                "url": "http://security.gentoo.org/glsa/glsa-201207-06.xml"
            },
            {
                "name": "http://www.ocert.org/advisories/ocert-2011-003.html",
                "refsource": "MISC",
                "url": "http://www.ocert.org/advisories/ocert-2011-003.html"
            }
        ]
    }
}