CVE-2008-5911

no score yetEPSS 6.2%

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.

EPSS: 6.2% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2009-01-20
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

realnetworks:helix_server
realnetworks:helix_server_mobile

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

Check your stack JSON