CVE-2009-1755

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overflow."}, {"lang": "es", "value": "Error de superaci\u00f3n del l\u00edmite en la funci\u00f3n packet_read_query_section en packet.c en nsd v3.2.1, y process_query_section en query.c en nsd v2.3.7, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de vectores no espec\u00edficos que provocan el desbordamiento de b\u00fafer.\r\n"}], "id": "CVE-2009-1755", "lastModified": "2026-06-16T23:07:59.430", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": 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{"bugzilla": {"description": "nsd: one-byte buffer overflow in low-level DNS packet decoding routine", "id": "501520", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=501520"}, "csaw": false, "details": ["Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow."], "name": "CVE-2009-1755", "public_date": "2009-05-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-1755"], "threat_severity": "Moderate"}

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