CVE-2011-10016: Realnetworks Inc Netzip Classic

Critical severity, CVSS 9.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Real Networks Netzip Classic version 7.5.1.86 is vulnerable to a stack-based buffer overflow when parsing a specially crafted ZIP archive. The vulnerability is triggered when the application attempts to process a file name within the archive that exceeds the expected buffer size. Exploitation allows arbitrary code execution under the context of the victim user when the ZIP file is opened.

Affected products

Published 2025-08-13. Last modified 2026-06-16.