CVE-2016-1974

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"value": "La funci\u00f3n nsScannerString::AppendUnicodeTo en Mozilla Firefox en versiones anteriores a 45.0 y Firefox ESR 38.x en versiones anteriores a 38.7 no verifica que la asignaci\u00f3n de memoria tenga \u00e9xito, lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario o causar una denegaci\u00f3n de servicio (lectura fuera de rango) a trav\u00e9s de datos Unicode manipulados en un documento HTML, XML o SVG."}], "id": "CVE-2016-1974", "lastModified": "2026-06-17T00:43:00.520", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, 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"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3510"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3520"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-34.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035215"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2917-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2917-2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2917-3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2934-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1228103"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201605-06"}], "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 Ronald Crane as the original reporter.", "affected_release": [{"advisory": "RHSA-2016:0373", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:38.7.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2016-03-09T00:00:00Z"}, {"advisory": "RHSA-2016:0460", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "thunderbird-0:38.7.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2016-03-16T00:00:00Z"}, {"advisory": "RHSA-2016:0373", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:38.7.0-1.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-03-09T00:00:00Z"}, {"advisory": "RHSA-2016:0460", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:38.7.0-1.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-03-16T00:00:00Z"}, {"advisory": "RHSA-2016:0373", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:38.7.0-1.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-03-09T00:00:00Z"}, {"advisory": "RHSA-2016:0460", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:38.7.0-1.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-03-16T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Out-of-bounds read in HTML parser following a failed allocation (MFSA 2016-34)", "id": "1315785", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1315785"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "verified"}, "details": ["The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via crafted Unicode data in an HTML, XML, or SVG document."], "name": "CVE-2016-1974", "public_date": "2016-03-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-1974\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-1974\nhttps://www.mozilla.org/security/announce/2016/mfsa2016-34.html"], "threat_severity": "Moderate"}

{}