CVE-2025-15271: (0Day) FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability

Published Dec 31, 2025
·
Updated

FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated array. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28562.

Affected Software

3 affected components
FontForge FontForge
FontForge FontForge
FontForge FontForge=2025-11-17

Event History

Dec 31, 2025
CVE Published
via MITRE·06:58 AM
Data Sourced
via MITRE·06:58 AM
DescriptionSeverityWeakness
Advisory Published
via ZDI·07:06 AM
Data Sourced
via ZDI·07:06 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·07:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-15271?

CVE-2025-15271 is classified as a remote code execution vulnerability.

2

How do I fix CVE-2025-15271?

To fix CVE-2025-15271, users should update to the latest version of FontForge that addresses this vulnerability.

3

What does CVE-2025-15271 allow an attacker to do?

CVE-2025-15271 allows remote attackers to execute arbitrary code on affected installations of FontForge.

4

Is user interaction required to exploit CVE-2025-15271?

Yes, user interaction is required to exploit CVE-2025-15271.

5

Which software is affected by CVE-2025-15271?

CVE-2025-15271 affects installations of FontForge.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203