CVE-2011-1426: Realnetworks Realplayer

High severity, CVSS 9.3. EPSS: 5% chance of exploitation in the next 30 days.

The OpenURLInDefaultBrowser method in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, launches a default handler for the filename specified in the first argument, which allows remote attackers to execute arbitrary code via a .rnx filename corresponding to a crafted RNX file.

Affected products

• Realnetworks Realplayer: version 11.0 only; version 11.1 only; version 14.0.0 only; version 14.0.1 only; version 14.0.2 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 2011-04-18. Last modified 2026-06-16.