CVE-2006-3276: Realnetworks Helix Dna Server

High severity, CVSS 7.5. EPSS: 13.9% chance of exploitation in the next 30 days.

Heap-based buffer overflow in RealNetworks Helix DNA Server 10.0 and 11.0 allows remote attackers to execute arbitrary code via (1) a long User-Agent HTTP header in the RTSP service and (2) unspecified vectors involving the "parsing of HTTP URL schemes".

Affected products

• Realnetworks Helix Dna Server: version 10.0 only; version 11.0 only

Published 2006-06-28. Last modified 2026-06-16.