CVE-2003-1117: Realnetworks Realsystem Proxy

High severity, CVSS 7.5. EPSS: 4.6% chance of exploitation in the next 30 days.

Buffer overflow in RealSystem Server 6.x, 7.x and 8.x, and RealSystem Proxy 8.x, related to URL error handling, allows remote attackers to cause a denial of service and possibly execute arbitrary code.

Affected products

• Realnetworks Realsystem Proxy: version 8 only
• Realnetworks Realsystem Server: version 6 only; version 7 only; version 8 only

Published 2003-12-31. Last modified 2026-06-16.