CVE-2003-0725: Realnetworks Helix Universal Server

High severity, CVSS 7.5. EPSS: 48.6% chance of exploitation in the next 30 days.

Buffer overflow in the RTSP protocol parser for the View Source plug-in (vsrcplin.so or vsrcplin3260.dll) for RealNetworks Helix Universal Server 9 and RealSystem Server 8, 7 and RealServer G2 allows remote attackers to execute arbitrary code.

Affected products

• Realnetworks Helix Universal Server: version 8.0.1 only; version 9.0 only; version 9.0.1 only; version 9.0.2.794 only
• Realnetworks Realserver: version 7.0 only; version 7.0.1 only; version 7.0.2 only; version 8.0 only; version 8.0.1 only; version 8.0.2 only; …

Published 2003-10-20. Last modified 2026-06-16.