CVE-2018-25154

CRITICAL 9.8

GNU Barcode 0.99 Buffer Overflow in Code 93 Encoding Mechanism

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

GNU Barcode 0.99 contains a buffer overflow vulnerability in its code 93 encoding process that allows attackers to trigger memory corruption. Attackers can exploit boundary errors during input file processing to potentially execute arbitrary code on the affected system.

CWE	CWE-787
Vendor	the gnu project \| free software foundation, inc.
Product	gnu barcode
Published	Dec 24, 2025
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

The GNU Project | Free Software Foundation, Inc. / GNU Barcode

0.99

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/44797 gnu.org: https://www.gnu.org/software/barcode/ directory.fsf.org: https://directory.fsf.org/wiki/Barcode

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab