Stack-Based Buffer Overflow in Real Networks Netzip Classic Application
CVE-2011-10016

9.3CRITICAL

Key Information:

Vendor

Realnetworks Inc.

Status
Netzip Classic
Vendor
CVE Published:
13 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2011-10016?

Real Networks Netzip Classic version 7.5.1.86 is vulnerable to a stack-based buffer overflow when processing specially crafted ZIP archives. This vulnerability occurs when the application handles file names that exceed the prescribed buffer size, leading to potential arbitrary code execution under the victim user's context upon opening the ZIP file.

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Affected Version(s)

Netzip Classic 7.5.1.86

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2011-10016 - Proof of Concept

CVE-2011-10016 - Proof of Concept

CVE-2011-10016 - Proof of Concept

References

https://raw.githubusercontent.com/rapid7/metasploit-frame...
exploit
https://www.exploit-db.com/exploits/16083
exploit
https://www.exploit-db.com/exploits/17985
exploit

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

C4SS!0 G0M3S
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