CVE-2010-4392: Realnetworks Realplayer

High severity, CVSS 9.3. EPSS: 6.4% chance of exploitation in the next 30 days.

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, RealPlayer Enterprise 2.1.2 and 2.1.3, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remote attackers to execute arbitrary code via crafted ImageMap data in a RealMedia file, related to certain improper integer calculations.

Affected products

• Realnetworks Realplayer: version 11.0 only; version 11.0.1 only; version 11.0.2 only; version 11.0.3 only; version 11.0.4 only; version 11.0.5 only; …
• Realnetworks Realplayer SP: version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.5 only; version 1.1 only; version 1.1.1 only; …

Published 2010-12-14. Last modified 2026-06-16.