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"en", "value": "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 context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression."}, {"lang": "es", "value": "El int\u00e9rprete de expresiones regulares en TCL en versiones anteriores a 8.4.17, como se utiliza en PostgreSQL 8.2 en versiones anteriores a 8.2.6, 8.1 en versiones anteriores a 8.1.11, 8.0 en versiones anteriores a 8.0.15 y 7.4 en versiones anteriores a 7.4.19, permite a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (bucle infinito) a trav\u00e9s de una expresi\u00f3n regular manipulada."}], "id": "CVE-2007-4772", "lastModified": "2025-04-09T00:30:58.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", 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["Broken Link"], "url": "http://www.vupen.com/english/advisories/2008/1744"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/39497"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://issues.rpath.com/browse/RPL-1768"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11569"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/568-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": 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{"affected_release": [{"advisory": "RHSA-2008:0134", "cpe": "cpe:/o:redhat:enterprise_linux:2.1", "package": "tcltk-0:8.3.3-75", "product_name": "Red Hat Enterprise Linux 2.1", "release_date": "2008-02-21T00:00:00Z"}, {"advisory": "RHSA-2008:0134", "cpe": "cpe:/o:redhat:enterprise_linux:3", "package": "tcltk-0:8.3.5-92.8", "product_name": "Red Hat Enterprise Linux 3", "release_date": "2008-02-21T00:00:00Z"}, {"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-2013:0122", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "tcl-0:8.4.13-6.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2013-01-08T00:00:00Z"}, {"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 DoS via infinite loop in regex NFA optimization code", "id": "316511", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=316511"}, "csaw": false, "cvss": {"cvss_base_score": "1.5", "cvss_scoring_vector": "AV:L/AC:M/Au:S/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-835", "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 context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression."], "name": "CVE-2007-4772", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "tcl", "product_name": "Red Hat Enterprise Linux 4"}], "public_date": "2008-01-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-4772\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-4772"], "threat_severity": "Moderate"}