{"api_version":"1","generated_at":"2026-07-23T10:20:42+00:00","cve":"CVE-2006-0381","urls":{"html":"https://cve.report/CVE-2006-0381","api":"https://cve.report/api/cve/CVE-2006-0381.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2006-0381","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2006-0381"},"summary":{"title":"CVE-2006-0381","description":"A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice.","state":"PUBLISHED","assigner":"freebsd","published_at":"2006-01-25 22:03:00","updated_at":"2025-04-03 01:03:51"},"problem_types":["NVD-CWE-Other","n/a"],"metrics":[{"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":"http://www.securityfocus.com/bid/16375","name":"http://www.securityfocus.com/bid/16375","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"OpenBSD PF IP Fragment Remote Denial Of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.osvdb.org/22732","name":"http://www.osvdb.org/22732","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"0"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24337","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24337","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc","name":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc","name":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"text/plain","httpstatus":"404","archivestatus":"404"},{"url":"http://securitytracker.com/id?1015542","name":"http://securitytracker.com/id?1015542","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SecurityTracker.com Archives - FreeBSD pf(4) Scrub Rule Error Lets Remote Users Deny Service","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://secunia.com/advisories/18609","name":"http://secunia.com/advisories/18609","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"FreeBSD \"pf\" IP Fragment Denial of Service Vulnerability - Advisories - Secunia","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104","name":"http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"text/x-diff","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2006-0381","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0381","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"5.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"5.3","cpe7":"release","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"5.3","cpe7":"releng","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"5.3","cpe7":"stable","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"5.4","cpe7":"pre-release","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"5.4","cpe7":"release","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"5.4","cpe7":"releng","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"6.0","cpe7":"release","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2006","cve_id":"381","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"freebsd","cpe5":"freebsd","cpe6":"6.0","cpe7":"stable","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2006","cve_id":"381","cve":"CVE-2006-0381","epss":"0.051470000","percentile":"0.898940000","score_date":"2026-04-16","updated_at":"2026-04-17 00:09:25"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T16:34:14.788Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"16375","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/16375"},{"name":"1015542","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://securitytracker.com/id?1015542"},{"name":"18609","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/18609"},{"name":"bsd-pf-fragment-dos(24337)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24337"},{"name":"FreeBSD-SA-06:07","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred"],"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc"},{"name":"22732","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"],"url":"http://www.osvdb.org/22732"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104"},{"name":"NetBSD-SA2006-004","tags":["vendor-advisory","x_refsource_NETBSD","x_transferred"],"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2006-01-25T00:00:00.000Z","descriptions":[{"lang":"en","value":"A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-07-19T15:57:01.000Z","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd"},"references":[{"name":"16375","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/16375"},{"name":"1015542","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://securitytracker.com/id?1015542"},{"name":"18609","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/18609"},{"name":"bsd-pf-fragment-dos(24337)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24337"},{"name":"FreeBSD-SA-06:07","tags":["vendor-advisory","x_refsource_FREEBSD"],"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc"},{"name":"22732","tags":["vdb-entry","x_refsource_OSVDB"],"url":"http://www.osvdb.org/22732"},{"tags":["x_refsource_CONFIRM"],"url":"http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104"},{"name":"NetBSD-SA2006-004","tags":["vendor-advisory","x_refsource_NETBSD"],"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secteam@freebsd.org","ID":"CVE-2006-0381","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":"A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"16375","refsource":"BID","url":"http://www.securityfocus.com/bid/16375"},{"name":"1015542","refsource":"SECTRACK","url":"http://securitytracker.com/id?1015542"},{"name":"18609","refsource":"SECUNIA","url":"http://secunia.com/advisories/18609"},{"name":"bsd-pf-fragment-dos(24337)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24337"},{"name":"FreeBSD-SA-06:07","refsource":"FREEBSD","url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:07.pf.asc"},{"name":"22732","refsource":"OSVDB","url":"http://www.osvdb.org/22732"},{"name":"http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104","refsource":"CONFIRM","url":"http://www.openbsd.org/cgi-bin/cvsweb/src/sys/net/pf_norm.c.diff?r1=1.103&r2=1.104"},{"name":"NetBSD-SA2006-004","refsource":"NETBSD","url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-004.txt.asc"}]}}}},"cveMetadata":{"assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","assignerShortName":"freebsd","cveId":"CVE-2006-0381","datePublished":"2006-01-25T22:00:00.000Z","dateReserved":"2006-01-24T00:00:00.000Z","dateUpdated":"2024-08-07T16:34:14.788Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2006-01-25 22:03:00","lastModifiedDate":"2025-04-03 01:03:51","problem_types":["NVD-CWE-Other","n/a"],"metrics":{"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:freebsd:freebsd:5.3:*:*:*:*:*:*:*","matchCriteriaId":"D8A80E6A-6502-4A33-83BA-7DCC606D79AA"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:5.3:release:*:*:*:*:*:*","matchCriteriaId":"0D6428EB-5E1A-41CB-979C-4C9402251D8B"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:5.3:releng:*:*:*:*:*:*","matchCriteriaId":"2DCA9879-C9F5-475A-8EC9-04D151001C8D"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:5.3:stable:*:*:*:*:*:*","matchCriteriaId":"0A94132F-4C47-49CC-B03C-8756613E9A38"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:5.4:pre-release:*:*:*:*:*:*","matchCriteriaId":"46A60ED5-1D92-4B40-956F-D1801CAB9039"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:5.4:release:*:*:*:*:*:*","matchCriteriaId":"3F629879-66F0-427B-86D8-D740E0E3F6E8"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:5.4:releng:*:*:*:*:*:*","matchCriteriaId":"C89129C5-A1DB-4018-B43A-C60C8E650080"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:6.0:release:*:*:*:*:*:*","matchCriteriaId":"CCE4F2E6-2286-4D87-ADD7-7E999B4E5620"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:6.0:stable:*:*:*:*:*:*","matchCriteriaId":"C07C3BEF-8D6A-4F23-96DE-AFE4369D08EF"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2006","CveId":"381","Ordinal":"1","Title":"CVE-2006-0381","CVE":"CVE-2006-0381","Year":"2006"},"notes":[{"CveYear":"2006","CveId":"381","Ordinal":"1","NoteData":"A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a 'scrub fragment crop' or 'scrub fragment drop-ovl' rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice.","Type":"Description","Title":"CVE-2006-0381"},{"CveYear":"2006","CveId":"381","Ordinal":"2","NoteData":"2006-01-25","Type":"Other","Title":"Published"},{"CveYear":"2006","CveId":"381","Ordinal":"3","NoteData":"2017-07-19","Type":"Other","Title":"Modified"}]}}}