CVE-2007-2263: Realnetworks Realone Player

High severity, CVSS 9.3. EPSS: 7.3% chance of exploitation in the next 30 days.

Heap-based buffer overflow in RealNetworks RealPlayer 10.0, 10.1, and possibly 10.5, RealOne Player, and RealPlayer Enterprise allows remote attackers to execute arbitrary code via an SWF (Flash) file with malformed record headers.

Affected products

• Realnetworks Realone Player: any version; version 2.0 only
• Realnetworks Realplayer: version 10.0 only; version 10.1 only; version 10.5 only
• Realnetworks Realplayer Enterprise: any version

Published 2007-10-31. Last modified 2026-06-16.