CVE-2011-4838

{"id": "CVE-2011-4838", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2011-12-30T01:55:01.500", "references": [{"url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://jruby.org/2011/12/27/jruby-1-6-5-1.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-1232.html", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/47407", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/50084", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://security.gentoo.org/glsa/glsa-201207-06.xml", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.kb.cert.org/vuls/id/903934", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cve@mitre.org"}, {"url": "http://www.nruns.com/_downloads/advisory28122011.pdf", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.ocert.org/advisories/ocert-2011-003.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72019", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://jruby.org/2011/12/27/jruby-1-6-5-1.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2012-1232.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/47407", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/50084", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://security.gentoo.org/glsa/glsa-201207-06.xml", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kb.cert.org/vuls/id/903934", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.nruns.com/_downloads/advisory28122011.pdf", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ocert.org/advisories/ocert-2011-003.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72019", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "JRuby anterior a v1.6.5.1 calcula los valores de hash sin restringir la capacidad de desencadenar colisiones hash predecible, que permite a atacantes dependientes de contexto causar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de entrada dise\u00f1ado para una aplicaci\u00f3n que mantiene una tabla hash."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jruby:jruby:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3DE8162-6FF2-4CDC-B66A-3D06AE5D7CB5", "versionEndExcluding": "1.6.5.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}