CVE-2012-5840

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unspecified vectors, a different vulnerability than CVE-2012-4214."}, {"lang": "es", "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n en la funci\u00f3n en la funci\u00f3n nsTextEditorState::PrepareEditor en Mozilla Firefox antes de 17.0, Firefox ESR 10.x antes de 10.0.11, Thunderbird antes de 17,0, Thunderbird ESR 10.x antes de 10.0.11, y SeaMonkey antes de 2.14, permite a atacantes remotos ejecutar c\u00f3digo arbitrario o causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria din\u00e1mica) a trav\u00e9s de vectores no especificados, una vulnerabilidad diferente a CVE-2012-4214."}], "id": "CVE-2012-5840", "lastModified": "2026-06-16T23:47:26.587", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": 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Advisory"], "url": "http://secunia.com/advisories/51439"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/51440"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:173"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2012/mfsa2012-105.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.palemoon.org/releasenotes-ng.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/56635"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1636-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1638-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1638-2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1638-3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=805287"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80190"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16904"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Mozilla project for reporting this issue. Upstream acknowledges Abhishek Arya as the original reporter.", "affected_release": [{"advisory": "RHSA-2012:1482", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:10.0.11-1.el5_8", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-11-20T00:00:00Z"}, {"advisory": "RHSA-2012:1482", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "xulrunner-0:10.0.11-1.el5_8", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-11-20T00:00:00Z"}, {"advisory": "RHSA-2012:1483", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "thunderbird-0:10.0.11-1.el5_8", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-11-20T00:00:00Z"}, {"advisory": "RHSA-2012:1482", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:10.0.11-1.el6_3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-11-20T00:00:00Z"}, {"advisory": "RHSA-2012:1482", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "xulrunner-0:10.0.11-1.el6_3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-11-20T00:00:00Z"}, {"advisory": "RHSA-2012:1483", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:10.0.11-1.el6_3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-11-20T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Use-after-free and buffer overflow issues found using Address Sanitizer (MFSA 2012-105)", "id": "877634", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=877634"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "cwe": "(CWE-416|CWE-119)", "details": ["Use-after-free vulnerability in the nsTextEditorState::PrepareEditor function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-4214."], "name": "CVE-2012-5840", "public_date": "2012-11-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-5840\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-5840\nhttp://www.mozilla.org/security/announce/2012/mfsa2012-105.html"], "threat_severity": "Critical"}

{}