CVE-2009-2479

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NOTE: this was originally reported as a stack-based buffer overflow. NOTE: on Linux and Mac OS X, a crash resulting from this long string reportedly occurs in an operating-system library, not in Firefox."}, {"lang": "es", "value": "Firefox de Mozilla versiones 3.0.x, 3.5 y 3.5.1 en Windows, permite a los atacantes remotos causar una denegaci\u00f3n de servicio (excepci\u00f3n no detectada y bloqueo de aplicaci\u00f3n) por medio de un argumento de cadena Unicode largo en el m\u00e9todo write. NOTA: esto se report\u00f3 originalmente como un desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria. NOTA: en Linux y Mac OS X, un bloqueo resultante de esta cadena larga se produce en una biblioteca de sistema operativo, no en Firefox."}], "evaluatorImpact": "Reference links provided indicate Denial of Service impact only.", "id": "CVE-2009-2479", "lastModified": "2026-06-16T23:09:32.383", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-07-16T15:30:00.813", "references": [{"source": "cve@mitre.org", "url": "http://blog.mozilla.com/security/2009/07/19/milw0rm-9158-stack-overflow-crash-not-exploitable-cve-2009-2479/"}, {"source": "cve@mitre.org", "url": "http://osvdb.org/55931"}, {"source": "cve@mitre.org", "url": "http://websecurity.com.ua/3338/"}, {"source": "cve@mitre.org", "url": "http://www.exploit-db.com/exploits/9158"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/505092/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://www.securityfocus.com/bid/35707"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id?1022580"}, {"source": "cve@mitre.org", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=504342"}, {"source": "cve@mitre.org", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=504343"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51729"}, {"source": "cve@mitre.org", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00909.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://blog.mozilla.com/security/2009/07/19/milw0rm-9158-stack-overflow-crash-not-exploitable-cve-2009-2479/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/55931"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://websecurity.com.ua/3338/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.exploit-db.com/exploits/9158"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/505092/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://www.securityfocus.com/bid/35707"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1022580"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=504342"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=504343"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51729"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00909.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "firefox 3.5 various flaws", "id": "511228", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=511228"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "draft"}, "details": ["Mozilla Firefox 3.0.x, 3.5, and 3.5.1 on Windows allows remote attackers to cause a denial of service (uncaught exception and application crash) via a long Unicode string argument to the write method. NOTE: this was originally reported as a stack-based buffer overflow. NOTE: on Linux and Mac OS X, a crash resulting from this long string reportedly occurs in an operating-system library, not in Firefox."], "name": "CVE-2009-2479", "public_date": "2009-07-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-2479"], "threat_severity": "Critical"}

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