CVE-2012-0942: Realnetworks Helix Mobile Server

High severity, CVSS 7.5. EPSS: 4.1% chance of exploitation in the next 30 days.

Buffer overflow in rn5auth.dll in RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x allows remote attackers to execute arbitrary code via crafted authentication credentials.

Affected products

• Realnetworks Helix Mobile Server: version 14.0.0 only; version 14.0.1 only
• Realnetworks Helix Server: version 14.0.0 only; version 14.0.1 only; version 14.2 only; version 14.2.0.212 only

Published 2012-04-17. Last modified 2026-06-16.