CVE-2016-9893

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Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6."}, {"lang": "es", "value": "Se han reportado errores de seguridad de memoria en Thunderbird 45.5. Algunos de estos errores mostraron evidencias de corrupci\u00f3n de memoria y se entiende que, con el suficiente esfuerzo, algunos de estos podr\u00edan explotarse para ejecutar c\u00f3digo arbitrario. La vulnerabilidad afecta a Firefox en versiones anteriores a la 50.1, Firefox ESR en versiones anteriores a la 45.6 y Thunderbird en versiones anteriores a la 45.6."}], "id": "CVE-2016-9893", "lastModified": "2026-06-17T00:56:44.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-11T21:29:01.890", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2946.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2973.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94885"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037461"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1319524%2C1298773%2C1299098%2C1309834%2C1312609%2C1313212%2C1317805%2C1312548%2C1315631%2C1287912"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201701-15"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3757"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-94/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-95/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-96/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2946.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2973.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94885"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037461"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1319524%2C1298773%2C1299098%2C1309834%2C1312609%2C1313212%2C1317805%2C1312548%2C1315631%2C1287912"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201701-15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3757"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-94/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-95/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-96/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Boris Zbarsky, Carsten Book, Christian Holler, Christoph Diehl, Iris Hsiao, Jan de Mooij, Olli Pettay, Raymond Forbes, and Timothy Nikkel as the original reporters.", "affected_release": [{"advisory": "RHSA-2016:2946", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:45.6.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2016-12-14T00:00:00Z"}, {"advisory": "RHSA-2016:2973", "cpe": "cpe:/o:redhat:enterprise_linux:5", "impact": "important", "package": "thunderbird-0:45.6.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2016-12-21T00:00:00Z"}, {"advisory": "RHSA-2016:2946", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:45.6.0-1.el6_8", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-12-14T00:00:00Z"}, {"advisory": "RHSA-2016:2973", "cpe": "cpe:/o:redhat:enterprise_linux:6", "impact": "important", "package": "thunderbird-0:45.6.0-1.el6_8", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-12-21T00:00:00Z"}, {"advisory": "RHSA-2016:2946", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:45.6.0-1.el7_3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-12-14T00:00:00Z"}, {"advisory": "RHSA-2016:2973", "cpe": "cpe:/o:redhat:enterprise_linux:7", "impact": "important", "package": "thunderbird-0:45.6.0-1.el7_3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-12-21T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Memory safety bugs fixed in Firefox 50.1 and Firefox ESR 45.6 (MFSA 2016-95)", "id": "1404096", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1404096"}, "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"}, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "details": ["Memory safety bugs were reported in Thunderbird 45.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6."], "name": "CVE-2016-9893", "public_date": "2016-12-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-9893\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-9893\nhttps://www.mozilla.org/security/announce/2016/mfsa2016-95/#CVE-2016-9893"], "threat_severity": "Critical"}

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