{"cve":"CVE-2008-5911","nvd":{"published":"2009-01-20T16:00:00.203","modified":"2026-06-16T23:01:12.690","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf","http://secunia.com/advisories/33360","http://www.securitytracker.com/id?1021498","http://www.securitytracker.com/id?1021499","http://www.securitytracker.com/id?1021500"],"products":["realnetworks:helix_server","realnetworks:helix_server_mobile"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2008-5911","score":0.06185,"percentile":0.935,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}