# CVE-2011-10016

## Summary

- **CVE ID:** CVE-2011-10016
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H)
- **CWE:** CWE-121
- **Published:** Aug 13, 2025
- **Last Modified:** Apr 7, 2026

## 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

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 8.15%
- **EPSS Percentile:** 92.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._