CVE-2013-4520

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attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825."}, {"lang": "es", "value": "xslt.c en libxslt anterior a 1.1.25 permite a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de una hoja de estilo embebida en una DTD, lo que hace que una estructura sea accesible como un tipo diferente. NOTA: este problema se debe a una soluci\u00f3n incompleta de CVE-2012-2825."}], "id": "CVE-2013-4520", "lastModified": "2026-06-16T23:57:22.827", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-12-14T20:55:03.407", "references": [{"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://seclists.org/oss-sec/2013/q4/238"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://seclists.org/oss-sec/2013/q4/239"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/56072"}, {"source": "secalert@redhat.com", "url": "http://www.osvdb.org/99671"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "https://bugzilla.novell.com/show_bug.cgi?id=849019"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "https://gitorious.org/libxslt/libxslt/commit/7089a62b8f133b42a2981cf1f920a8b3fe9a8caa"}, {"source": "secalert@redhat.com", "url": "https://www.suse.com/support/update/announcement/2013/suse-su-20131654-1.html"}, {"source": "secalert@redhat.com", "url": "https://www.suse.com/support/update/announcement/2013/suse-su-20131656-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://seclists.org/oss-sec/2013/q4/238"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://seclists.org/oss-sec/2013/q4/239"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/56072"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/99671"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "https://bugzilla.novell.com/show_bug.cgi?id=849019"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "https://gitorious.org/libxslt/libxslt/commit/7089a62b8f133b42a2981cf1f920a8b3fe9a8caa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.suse.com/support/update/announcement/2013/suse-su-20131654-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.suse.com/support/update/announcement/2013/suse-su-20131656-1.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "libxslt: DoS when reading unexpected DTD nodes in XSLT in versions prior to 1.1.25", "id": "1027360", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1027360"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825."], "name": "CVE-2013-4520", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "libxslt", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libxslt", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libxslt", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2009-09-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4520\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4520\nhttps://rhn.redhat.com/errata/RHSA-2012-1265.html"], "statement": "Not vulnerable. This issue was corrected in Red Hat Enterprise Linux 5 via RHSA-2012:1265. It did not affect Red Hat Enterprise Linux 6.", "threat_severity": "Moderate"}

{}