What’s Vulnerable › Vulnerabilities

CVE-2011-10016: Real Networks Netzip Classic 7.5.1.86 File Parsing Buffer Overflow

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-13 · updated 2026-06-16
• Weakness: CWE-121

Description

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

• RealNetworks Inc. Netzip Classic: 7.5.1.86

References

• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/real_networks_netzip_bof.rb
• https://www.exploit-db.com/exploits/16083
• https://www.exploit-db.com/exploits/17985
• https://www.softpedia.com/get/Compression-tools/NetZip-Classic.shtml
• https://www.vulncheck.com/advisories/real-networks-netzip-classic-file-parsing-buffer-overflow

Get alerted when CVE-2011-10016 or the next vulnerability affects your stack