CVE-2008-5911
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.
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-119
- EPSS score
- 6.2% (94th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2008-5881)
- Published
- January 20, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2008-5881 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- realnetworks / helix server
- realnetworks / helix server
- realnetworks / helix server mobile
- realnetworks / helix server mobile
References
- http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf(Vendor Advisory)
- http://secunia.com/advisories/33360(Vendor Advisory)
- http://www.securitytracker.com/id?1021498
- http://www.securitytracker.com/id?1021499
- http://www.securitytracker.com/id?1021500
- http://www.securitytracker.com/id?1021501
- http://www.vupen.com/english/advisories/2008/3521
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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