Memory Leak Vulnerability in GNU Barcode by GNU
CVE-2018-25153

6.9MEDIUM

Key Information:

Vendor

The Gnu Project | Free Software Foundation, Inc.

Status
Gnu Barcode
Vendor
CVE Published:
24 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-25153?

GNU Barcode version 0.99 is susceptible to a memory leak vulnerability within its command line processing function. This flaw arises when attackers supply specially crafted input, resulting in unfreed memory allocations that could lead to denial of service conditions. Ensuring the application is updated and monitoring for unusual input can mitigate potential risks.

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Deploy the Patch

Affected Version(s)

GNU Barcode 0.99

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-2018-25153 - Proof of Concept

References

https://www.exploit-db.com/exploits/44798
exploit
https://www.gnu.org/software/barcode/
product
https://directory.fsf.org/wiki/Barcode
product

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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