CVE-2011-2991

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[{"lang": "en", "value": "The browser engine in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, Thunderbird before 6, and possibly other products does not properly implement JavaScript, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors."}, {"lang": "es", "value": "El motor del navegador en Firefox versiones 4.x hasta 5, SeaMonkey versiones 2.x anteriores a 2.3, Thunderbird anteriores a versi\u00f3n 6, de Mozilla, y posiblemente otros productos, no implementan correctamente JavaScript, lo que permite a los atacantes remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria y bloqueo de aplicaci\u00f3n) o posiblemente ejecutar c\u00f3digo arbitrario por medio de vectores no especificados."}], "id": "CVE-2011-2991", "lastModified": "2026-06-16T23:32:23.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-08-18T18:55:01.960", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/49055"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-29.html"}, {"source": "cve@mitre.org", "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-31.html"}, {"source": "cve@mitre.org", "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-33.html"}, {"source": "cve@mitre.org", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=655660"}, {"source": "cve@mitre.org", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14303"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/49055"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-29.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-31.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-33.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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