CVE-2010-4235: Realnetworks Helix Mobile Server

High severity, CVSS 10.0. EPSS: 4.1% chance of exploitation in the next 30 days.

Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server 12.x, 13.x, and 14.x before 14.2, allows remote attackers to execute arbitrary code via vectors related to the x-wap-profile HTTP header.

Affected products

• Realnetworks Helix Mobile Server: version 12.0 only; version 13.1.1 only; version 14.0.0 only; version 14.0.1 only
• Realnetworks Helix Server: version 12.0.0 only; version 12.0.1 only; version 13.0.0 only; version 13.1.1 only; version 14.0.0 only; version 14.0.1 only

Published 2011-04-04. Last modified 2026-06-16.