{"api_version":"1","generated_at":"2026-07-23T12:22:11+00:00","cve":"CVE-2010-3696","urls":{"html":"https://cve.report/CVE-2010-3696","api":"https://cve.report/api/cve/CVE-2010-3696.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2010-3696","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-3696"},"summary":{"title":"CVE-2010-3696","description":"The fr_dhcp_decode function in lib/dhcp.c in FreeRADIUS 2.1.9, in certain non-default builds, does not properly handle the DHCP Relay Agent Information option, which allows remote attackers to cause a denial of service (infinite loop and daemon outage) via a packet that has more than one sub-option.  NOTE: some of these details are obtained from third party information.","state":"PUBLISHED","assigner":"redhat","published_at":"2010-10-07 21:00:03","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-399","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"4.3","severity":"","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2010/10/01/3","name":"http://www.openwall.com/lists/oss-security/2010/10/01/3","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"oss-security - CVE request: freeradius","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://github.com/alandekok/freeradius-server/commit/4dc7800b866f889a1247685bbaa6dd4238a56279","name":"http://github.com/alandekok/freeradius-server/commit/4dc7800b866f889a1247685bbaa6dd4238a56279","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"Fix endless loop when there are multiple DHCP options · alandekok/freeradius-server@4dc7800 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://secunia.com/advisories/41621","name":"http://secunia.com/advisories/41621","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"FreeRADIUS Two Denial of Service Vulnerabilities - Advisories - Community","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://freeradius.org/press/index.html#2.1.10","name":"http://freeradius.org/press/index.html#2.1.10","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"FreeRADIUS -- News","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"http://www.openwall.com/lists/oss-security/2010/10/01/8","name":"http://www.openwall.com/lists/oss-security/2010/10/01/8","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"oss-security - Re: CVE request: freeradius","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=639390","name":"https://bugzilla.redhat.com/show_bug.cgi?id=639390","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"639390 – (CVE-2010-3696) CVE-2010-3696 freeradius: DoS via certain DHCP requests","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.freeradius.org/bugzilla/show_bug.cgi?id=77","name":"https://bugs.freeradius.org/bugzilla/show_bug.cgi?id=77","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"Network RADIUS Directory","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-3696","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-3696","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":"2010","cve_id":"3696","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"freeradius","cpe5":"freeradius","cpe6":"2.1.9","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T03:18:52.999Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://github.com/alandekok/freeradius-server/commit/4dc7800b866f889a1247685bbaa6dd4238a56279"},{"name":"41621","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/41621"},{"name":"[oss-security] 20101001 CVE request: freeradius","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2010/10/01/3"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://freeradius.org/press/index.html#2.1.10"},{"name":"[oss-security] 20101001 Re: CVE request: freeradius","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2010/10/01/8"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://bugs.freeradius.org/bugzilla/show_bug.cgi?id=77"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=639390"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"The fr_dhcp_decode function in lib/dhcp.c in FreeRADIUS 2.1.9, in certain non-default builds, does not properly handle the DHCP Relay Agent Information option, which allows remote attackers to cause a denial of service (infinite loop and daemon outage) via a packet that has more than one sub-option.  NOTE: some of these details are obtained from third party information."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2010-10-07T20:21:00.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"http://github.com/alandekok/freeradius-server/commit/4dc7800b866f889a1247685bbaa6dd4238a56279"},{"name":"41621","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/41621"},{"name":"[oss-security] 20101001 CVE request: freeradius","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2010/10/01/3"},{"tags":["x_refsource_CONFIRM"],"url":"http://freeradius.org/press/index.html#2.1.10"},{"name":"[oss-security] 20101001 Re: CVE request: freeradius","tags":["mailing-list","x_refsource_MLIST"],"url":"http://www.openwall.com/lists/oss-security/2010/10/01/8"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugs.freeradius.org/bugzilla/show_bug.cgi?id=77"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=639390"}]}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2010-3696","datePublished":"2010-10-07T20:21:00.000Z","dateReserved":"2010-10-01T00:00:00.000Z","dateUpdated":"2024-08-07T03:18:52.999Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2010-10-07 21:00:03","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-399","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"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:a:freeradius:freeradius:2.1.9:*:*:*:*:*:*:*","matchCriteriaId":"CE0CFEA6-1AC0-41AA-BEF0-16FE1A933758"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2010","CveId":"3696","Ordinal":"1","Title":"CVE-2010-3696","CVE":"CVE-2010-3696","Year":"2010"},"notes":[{"CveYear":"2010","CveId":"3696","Ordinal":"1","NoteData":"The fr_dhcp_decode function in lib/dhcp.c in FreeRADIUS 2.1.9, in certain non-default builds, does not properly handle the DHCP Relay Agent Information option, which allows remote attackers to cause a denial of service (infinite loop and daemon outage) via a packet that has more than one sub-option.  NOTE: some of these details are obtained from third party information.","Type":"Description","Title":"CVE-2010-3696"},{"CveYear":"2010","CveId":"3696","Ordinal":"2","NoteData":"2010-10-07","Type":"Other","Title":"Published"}]}}}