{"api_version":"1","generated_at":"2026-07-23T12:06:28+00:00","cve":"CVE-1999-0052","urls":{"html":"https://cve.report/CVE-1999-0052","api":"https://cve.report/api/cve/CVE-1999-0052.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-1999-0052","nvd":"https://nvd.nist.gov/vuln/detail/CVE-1999-0052"},"summary":{"title":"CVE-1999-0052","description":"IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash.","state":"PUBLISHED","assigner":"mitre","published_at":"1998-11-04 05:00:00","updated_at":"2025-04-03 01:03:51"},"problem_types":["NVD-CWE-Other","CWE-476","n/a","CWE-476 CWE-476 NULL Pointer Dereference"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"}}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1389","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1389","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.osvdb.org/908","name":"http://www.osvdb.org/908","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-1999-0052","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0052","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]},{"source":"ADP","vendor":"bsdi","product":"bsd_os","version":"affected 4.0","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 1.1.5.1","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.0","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.0.5","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.1.0","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.1.5","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.1.6","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.1.7.1","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.2.2","platforms":[]},{"source":"ADP","vendor":"freebsd","product":"freebsd","version":"affected 2.2.8","platforms":[]},{"source":"ADP","vendor":"openbsd","product":"openbsd","version":"affected 2.2","platforms":[]},{"source":"ADP","vendor":"openbsd","product":"openbsd","version":"affected 2.3","platforms":[]},{"source":"ADP","vendor":"openbsd","product":"openbsd","version":"affected 2.4","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"bsdi","cpe5":"bsd_os","cpe6":"4.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"1.1.5.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.0.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.1.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.1.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.1.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.1.7.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.2.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"2.2.8","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"openbsd","cpe5":"openbsd","cpe6":"2.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"openbsd","cpe5":"openbsd","cpe6":"2.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"1999","cve_id":"52","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"openbsd","cpe5":"openbsd","cpe6":"2.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-01T16:27:57.172Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"freebsd-ip-frag-dos(1389)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1389"},{"name":"908","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"],"url":"http://www.osvdb.org/908"}],"title":"CVE Program Container"},{"affected":[{"cpes":["cpe:2.3:o:bsdi:bsd_os:4.0:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"bsd_os","vendor":"bsdi","versions":[{"status":"affected","version":"4.0"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:1.1.5.1:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"1.1.5.1"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.0"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.0.5"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.1.0"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.1.5"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.1.6:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.1.6"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.1.7.1:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.1.7.1"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.2.2:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.2.2"}]},{"cpes":["cpe:2.3:o:freebsd:freebsd:2.2.8:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"freebsd","vendor":"freebsd","versions":[{"status":"affected","version":"2.2.8"}]},{"cpes":["cpe:2.3:o:openbsd:openbsd:2.2:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"openbsd","vendor":"openbsd","versions":[{"status":"affected","version":"2.2"}]},{"cpes":["cpe:2.3:o:openbsd:openbsd:2.3:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"openbsd","vendor":"openbsd","versions":[{"status":"affected","version":"2.3"}]},{"cpes":["cpe:2.3:o:openbsd:openbsd:2.4:*:*:*:*:*:*:*"],"defaultStatus":"unknown","product":"openbsd","vendor":"openbsd","versions":[{"status":"affected","version":"2.4"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-1999-0052","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-08-01T20:17:55.821578Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2024-08-01T20:32:09.970Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2005-12-18T00:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"freebsd-ip-frag-dos(1389)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1389"},{"name":"908","tags":["vdb-entry","x_refsource_OSVDB"],"url":"http://www.osvdb.org/908"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-1999-0052","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"freebsd-ip-frag-dos(1389)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1389"},{"name":"908","refsource":"OSVDB","url":"http://www.osvdb.org/908"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-1999-0052","datePublished":"1999-09-29T04:00:00.000Z","dateReserved":"1999-06-07T00:00:00.000Z","dateUpdated":"2024-08-01T20:32:09.970Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"1998-11-04 05:00:00","lastModifiedDate":"2025-04-03 01:03:51","problem_types":["NVD-CWE-Other","CWE-476","n/a","CWE-476 CWE-476 NULL Pointer Dereference"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:bsdi:bsd_os:4.0:*:*:*:*:*:*:*","matchCriteriaId":"7ECF99E9-1C3B-4D8F-A52E-28D0BFEB2E9D"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:1.1.5.1:*:*:*:*:*:*:*","matchCriteriaId":"C496B665-70DA-4B98-A5D1-E2935C0CE840"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*","matchCriteriaId":"F1F098C1-D09E-49B4-9B51-E84B6C4EA6CD"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:*","matchCriteriaId":"34797660-41F5-4358-B70F-2A40DE48F182"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:*","matchCriteriaId":"27C9E23D-AB82-4AE1-873E-C5493BB96AA1"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:*","matchCriteriaId":"4054D69F-596F-4EB4-BE9A-E2478343F55A"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.1.6:*:*:*:*:*:*:*","matchCriteriaId":"CA26ABBE-9973-45FA-9E9B-82170B751219"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.1.7.1:*:*:*:*:*:*:*","matchCriteriaId":"BF8F9B2F-E898-4F87-A245-32A41748587B"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.2.2:*:*:*:*:*:*:*","matchCriteriaId":"EBDDEC3F-52EB-4E1E-84C4-B472600059EC"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:2.2.8:*:*:*:*:*:*:*","matchCriteriaId":"D1CA3337-9BEE-49C5-9EDE-8CDBE5580537"},{"vulnerable":true,"criteria":"cpe:2.3:o:openbsd:openbsd:2.2:*:*:*:*:*:*:*","matchCriteriaId":"1FC373FC-88AC-4B6D-A289-51881ACD57F7"},{"vulnerable":true,"criteria":"cpe:2.3:o:openbsd:openbsd:2.3:*:*:*:*:*:*:*","matchCriteriaId":"1D2DA7F0-E3C0-447A-A2B0-ECC928389D84"},{"vulnerable":true,"criteria":"cpe:2.3:o:openbsd:openbsd:2.4:*:*:*:*:*:*:*","matchCriteriaId":"FEBE290B-5EC6-4BBA-B645-294C150E417A"}]}]}]},"legacy_mitre":{"record":{"CveYear":"1999","CveId":"52","Ordinal":"1","Title":"CVE-1999-0052","CVE":"CVE-1999-0052","Year":"1999"},"notes":[{"CveYear":"1999","CveId":"52","Ordinal":"1","NoteData":"IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash.","Type":"Description","Title":"CVE-1999-0052"},{"CveYear":"1999","CveId":"52","Ordinal":"2","NoteData":"1999-09-29","Type":"Other","Title":"Published"},{"CveYear":"1999","CveId":"52","Ordinal":"3","NoteData":"2005-12-17","Type":"Other","Title":"Modified"}]}}}