CVE-2010-4380: Realnetworks Realplayer

High severity, CVSS 9.3. EPSS: 2.5% 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 1.1.4, and RealPlayer Enterprise 2.1.2 allows remote attackers to have an unspecified impact via a crafted SOUND file.

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.