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allows remote authenticated users to cause a denial of service (backend crash) via an out-of-bounds backref number."}, {"lang": "es", "value": "El analizador de expresiones regulares en TCL versiones anteriores a 8.4.17, como es usado en PostgreSQL versiones 8.2 anteriores a 8.2.6,versiones 8.1 anteriores a 8.1.11, versiones 8.0 anteriores a 8.0.15 y versiones 7.4 anteriores a 7.4.19, permite a usuarios autenticados remotos causar una denegaci\u00f3n de servicio (bloqueo del backend) por medio de un n\u00famero backref fuera de l\u00edmites."}], "id": "CVE-2007-4769", "lastModified": "2025-04-09T00:30:58.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, 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"http://www.securityfocus.com/archive/1/485864/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/486407/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/27163"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2008/0061"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2008/0109"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2008/1071/references"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/39499"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://issues.rpath.com/browse/RPL-1768"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9804"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/568-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2008:0038", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "postgresql-0:7.4.19-1.el4_6.1", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2008-01-11T00:00:00Z"}, {"advisory": "RHSA-2008:0038", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "postgresql-0:8.1.11-1.el5_1.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2008-01-11T00:00:00Z"}, {"advisory": "RHSA-2008:0040", "cpe": "cpe:/a:redhat:rhel_application_stack:1", "package": "postgresql-0:8.1.11-1.el4s1.1", "product_name": "Red Hat Web Application Stack for RHEL 4", "release_date": "2008-02-01T00:00:00Z"}], "bugzilla": {"description": "postgresql integer overflow in regex code", "id": "315231", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=315231"}, "csaw": false, "cwe": "CWE-190", "details": ["The regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows remote authenticated users to cause a denial of service (backend crash) via an out-of-bounds backref number."], "name": "CVE-2007-4769", "public_date": "2008-01-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-4769\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-4769"], "threat_severity": "Moderate"}