{"api_version":"1","generated_at":"2026-07-23T08:49:43+00:00","cve":"CVE-2008-5911","urls":{"html":"https://cve.report/CVE-2008-5911","api":"https://cve.report/api/cve/CVE-2008-5911.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2008-5911","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2008-5911"},"summary":{"title":"CVE-2008-5911","description":"Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before 12.0.1 allow remote attackers to (1) cause a denial of service via three crafted RTSP SETUP commands, or execute arbitrary code via (2) an NTLM authentication request with malformed base64-encoded data, (3) an RTSP DESCRIBE command, or (4) a DataConvertBuffer request.","state":"PUBLISHED","assigner":"mitre","published_at":"2009-01-20 16:00:00","updated_at":"2026-04-23 00:35:47"},"problem_types":["CWE-119","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"10","severity":"","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","baseScore":10,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://secunia.com/advisories/33360","name":"http://secunia.com/advisories/33360","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"RealNetworks Helix Server Multiple Vulnerabilities - Secunia Advisories - Vulnerability Intelligence - Secunia.com","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf","name":"http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"","mime":"application/pdf","httpstatus":"403","archivestatus":"200"},{"url":"http://www.securitytracker.com/id?1021500","name":"http://www.securitytracker.com/id?1021500","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SecurityTracker.com Archives - Helix Server Buffer Overflow in Processing DataConvertBuffer Data Lets Remote Users Execute Arbitrary Code","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id?1021499","name":"http://www.securitytracker.com/id?1021499","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SecurityTracker.com Archives - Helix Server RTSP SETUP Stack Overflow Lets Remote Users Deny Service","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id?1021498","name":"http://www.securitytracker.com/id?1021498","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SecurityTracker.com Archives - Helix Server RTSP DESCRIBE Heap Overflow Lets Remote Users Execute Arbitrary Code","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.vupen.com/english/advisories/2008/3521","name":"http://www.vupen.com/english/advisories/2008/3521","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Webmail : Solution de messagerie professionnelle - OVHcloud- OVH","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id?1021501","name":"http://www.securitytracker.com/id?1021501","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SecurityTracker.com Archives - Helix Server Buffer Overflow in Processing NTLM Authentication Data Lets Remote Users Execute Arbitrary Code","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-5911","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-5911","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":"2008","cve_id":"5911","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"realnetworks","cpe5":"helix_server","cpe6":"11.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2008","cve_id":"5911","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"realnetworks","cpe5":"helix_server","cpe6":"12.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2008","cve_id":"5911","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"realnetworks","cpe5":"helix_server_mobile","cpe6":"11.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2008","cve_id":"5911","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"realnetworks","cpe5":"helix_server_mobile","cpe6":"12.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T11:13:13.174Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"1021500","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id?1021500"},{"name":"1021498","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id?1021498"},{"name":"33360","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/33360"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf"},{"name":"ADV-2008-3521","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"],"url":"http://www.vupen.com/english/advisories/2008/3521"},{"name":"1021501","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id?1021501"},{"name":"1021499","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id?1021499"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2008-12-30T00:00:00.000Z","descriptions":[{"lang":"en","value":"Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before 12.0.1 allow remote attackers to (1) cause a denial of service via three crafted RTSP SETUP commands, or execute arbitrary code via (2) an NTLM authentication request with malformed base64-encoded data, (3) an RTSP DESCRIBE command, or (4) a DataConvertBuffer request."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2009-02-26T10:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"1021500","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id?1021500"},{"name":"1021498","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id?1021498"},{"name":"33360","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/33360"},{"tags":["x_refsource_CONFIRM"],"url":"http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf"},{"name":"ADV-2008-3521","tags":["vdb-entry","x_refsource_VUPEN"],"url":"http://www.vupen.com/english/advisories/2008/3521"},{"name":"1021501","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id?1021501"},{"name":"1021499","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id?1021499"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2008-5911","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":"Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before 12.0.1 allow remote attackers to (1) cause a denial of service via three crafted RTSP SETUP commands, or execute arbitrary code via (2) an NTLM authentication request with malformed base64-encoded data, (3) an RTSP DESCRIBE command, or (4) a DataConvertBuffer request."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"1021500","refsource":"SECTRACK","url":"http://www.securitytracker.com/id?1021500"},{"name":"1021498","refsource":"SECTRACK","url":"http://www.securitytracker.com/id?1021498"},{"name":"33360","refsource":"SECUNIA","url":"http://secunia.com/advisories/33360"},{"name":"http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf","refsource":"CONFIRM","url":"http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf"},{"name":"ADV-2008-3521","refsource":"VUPEN","url":"http://www.vupen.com/english/advisories/2008/3521"},{"name":"1021501","refsource":"SECTRACK","url":"http://www.securitytracker.com/id?1021501"},{"name":"1021499","refsource":"SECTRACK","url":"http://www.securitytracker.com/id?1021499"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2008-5911","datePublished":"2009-01-20T15:26:00.000Z","dateReserved":"2009-01-20T00:00:00.000Z","dateUpdated":"2024-08-07T11:13:13.174Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2009-01-20 16:00:00","lastModifiedDate":"2026-04-23 00:35:47","problem_types":["CWE-119","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","baseScore":10,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":10,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:realnetworks:helix_server:11.0:*:*:*:*:*:*:*","matchCriteriaId":"A30A2490-21FC-4C0D-80A3-B89E6F58E93A"},{"vulnerable":true,"criteria":"cpe:2.3:a:realnetworks:helix_server:12.0.0:*:*:*:*:*:*:*","matchCriteriaId":"0890EDD4-63FF-43EC-9EC4-852B34E00F51"},{"vulnerable":true,"criteria":"cpe:2.3:a:realnetworks:helix_server_mobile:11.0:*:*:*:*:*:*:*","matchCriteriaId":"74F01F2C-036C-4B6E-B66D-F0870801D397"},{"vulnerable":true,"criteria":"cpe:2.3:a:realnetworks:helix_server_mobile:12.0.0:*:*:*:*:*:*:*","matchCriteriaId":"4CB773CC-C81C-424A-9493-4CAD2E0E8262"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2008","CveId":"5911","Ordinal":"1","Title":"CVE-2008-5911","CVE":"CVE-2008-5911","Year":"2008"},"notes":[{"CveYear":"2008","CveId":"5911","Ordinal":"1","NoteData":"Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before 12.0.1 allow remote attackers to (1) cause a denial of service via three crafted RTSP SETUP commands, or execute arbitrary code via (2) an NTLM authentication request with malformed base64-encoded data, (3) an RTSP DESCRIBE command, or (4) a DataConvertBuffer request.","Type":"Description","Title":"CVE-2008-5911"},{"CveYear":"2008","CveId":"5911","Ordinal":"2","NoteData":"2009-01-20","Type":"Other","Title":"Published"},{"CveYear":"2008","CveId":"5911","Ordinal":"3","NoteData":"2009-02-26","Type":"Other","Title":"Modified"}]}}}