CVE-2006-5873

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:l2tpns:l2tpns:1.1:*:*:*:*:*:*:*", "matchCriteriaId": "337E419C-3873-4E5A-80D3-B9C7AFF8C3E7", "vulnerable": true}, {"criteria": "cpe:2.3:a:l2tpns:l2tpns:2.0.13:*:*:*:*:*:*:*", "matchCriteriaId": "5428F57E-B44E-46EE-8244-C5A8938EA3EB", "vulnerable": true}, {"criteria": "cpe:2.3:a:l2tpns:l2tpns:2.1:*:*:*:*:*:*:*", "matchCriteriaId": "9C75B1FE-4B8D-4123-9715-851CB23CAF74", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*", "matchCriteriaId": "A2E0C1F8-31F5-4F61-9DF7-E49B43D3C873", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow in the cluster_process_heartbeat function in cluster.c in layer 2 tunneling protocol network server (l2tpns) before 2.1.21 allows remote attackers to cause a denial of service via a large heartbeat packet."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer en la funci\u00f3n cluster_process_heartbeat en cluster.c del layer 2 tunneling protocol network server (l2tpns) anterior a 2.1.21 permite a atacantes remotos provocar una denegaci\u00f3n de servicio mediante un paquete de pulso (heartbeat packet) largo."}], "id": "CVE-2006-5873", "lastModified": "2026-06-16T22:32:03.087", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2006-12-12T00:28:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://l2tpns.cvs.sourceforge.net/l2tpns/l2tpns/cluster.c?r1=1.53&r2=1.54"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/23230"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/23333"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://sourceforge.net/project/shownotes.php?group_id=97282&release_id=468202"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.debian.org/security/2006/dsa-1230"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.securityfocus.com/bid/21443"}, {"source": "cve@mitre.org", "url": "http://www.vupen.com/english/advisories/2006/4860"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30732"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://l2tpns.cvs.sourceforge.net/l2tpns/l2tpns/cluster.c?r1=1.53&r2=1.54"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/23230"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://secunia.com/advisories/23333"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://sourceforge.net/project/shownotes.php?group_id=97282&release_id=468202"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.debian.org/security/2006/dsa-1230"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.securityfocus.com/bid/21443"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2006/4860"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30732"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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