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NOTE: Qt 4 has the same error in the QUtf8Codec::convertToUnicode function, but it is not exploitable."}, {"lang": "es", "value": "Error de superaci\u00f3n de l\u00edmite (off-by-one) en la funci\u00f3n QUtf8Decoder::toUnicode de Trolltech Qt3 permite a usuarios locales o remotos (dependiendo del contexto) provocar una denegaci\u00f3n de servicio (ca\u00edda) mediante una cadena Unicode manipulada que dispara un desbordamiento de b\u00fafer basado en mont\u00edculo. NOTA: Qt 4 tiene el mismo error en la funci\u00f3n QUtf8Codec::convertToUnicode, pero no es explotable."}], "id": "CVE-2007-4137", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "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": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2007-09-18T19:17:00.000", "references": [{"source": "secalert@redhat.com", "url": "ftp://patches.sgi.com/support/free/security/advisories/20070901-01-P.asc"}, {"source": "secalert@redhat.com", "url": 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{"affected_release": [{"advisory": "RHSA-2007:0883", "cpe": "cpe:/o:redhat:enterprise_linux:2.1", "package": "qt-1:2.3.1-14.EL2", "product_name": "Red Hat Enterprise Linux 2.1", "release_date": "2007-09-13T00:00:00Z"}, {"advisory": "RHSA-2007:0883", "cpe": "cpe:/o:redhat:enterprise_linux:3", "package": "qt-1:3.1.2-17.RHEL3", "product_name": "Red Hat Enterprise Linux 3", "release_date": "2007-09-13T00:00:00Z"}, {"advisory": "RHSA-2007:0883", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "qt-1:3.3.3-13.RHEL4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2007-09-13T00:00:00Z"}, {"advisory": "RHSA-2007:0883", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "qt-1:3.3.6-23.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2007-09-13T00:00:00Z"}], "bugzilla": {"description": "QT off by one buffer overflow", "id": "269001", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=269001"}, "csaw": false, "cwe": "CWE-193", "details": ["Off-by-one error in the QUtf8Decoder::toUnicode function in Trolltech Qt 3 allows context-dependent attackers to cause a denial of service (crash) via a crafted Unicode string that triggers a heap-based buffer overflow. NOTE: Qt 4 has the same error in the QUtf8Codec::convertToUnicode function, but it is not exploitable."], "name": "CVE-2007-4137", "public_date": "2007-09-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-4137\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-4137"], "threat_severity": "Important"}

{}