CVE-2006-6026: Realnetworks Helix Dna Server

High severity, CVSS 10.0. EPSS: 10.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in Real Networks Helix Server and Helix Mobile Server before 11.1.3, and Helix DNA Server 11.0 and 11.1, allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a DESCRIBE request that contains an invalid LoadTestPassword field.

Affected products

• Realnetworks Helix Dna Server: version 11.0 only; version 11.1 only
• Realnetworks Helix Mobile Server: up to and including 11.1.2
• Realnetworks Helix Server: up to and including 11.1.2; version 11.0 only; version 11.1 only

Published 2006-11-21. Last modified 2026-06-16.