CVE-2025-15275: (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-28543.

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
Data Sourced
via Red Hat·08:01 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-15275?

CVE-2025-15275 is classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-15275?

To fix CVE-2025-15275, update FontForge to the latest version that addresses this vulnerability.

3

Who is affected by CVE-2025-15275?

Users of FontForge are affected by CVE-2025-15275 if they are using a vulnerable version of the software.

4

What type of vulnerability is CVE-2025-15275?

CVE-2025-15275 is a heap-based buffer overflow vulnerability that can lead to remote code execution.

5

Is user interaction required for CVE-2025-15275 to be exploited?

Yes, user interaction is required for CVE-2025-15275, as the target must open a specially crafted SFD file.

Contact

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