CVE-2025-15274: (0Day) FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Published Dec 31, 2025
·
Updated

FontForge SFD File Parsing Heap-based Buffer Overflow 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 the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28544.

Affected Software

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

Event History

Dec 31, 2025
CVE Published
via MITRE·06:59 AM
Data Sourced
via MITRE·06:59 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-2025-15274?

CVE-2025-15274 is considered a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-15274?

To fix CVE-2025-15274, you should update FontForge to the latest version that addresses this vulnerability.

3

Who is affected by CVE-2025-15274?

CVE-2025-15274 affects installations of FontForge that are vulnerable to heap-based buffer overflow attacks.

4

Can CVE-2025-15274 be exploited without user interaction?

No, exploiting CVE-2025-15274 requires user interaction to open a specially crafted SFD file.

5

What are the potential impacts of CVE-2025-15274?

The potential impacts of CVE-2025-15274 include unauthorized remote code execution, which can lead to system compromise.

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