ZDI-CAN-28562: ZDI-25-1193: (0Day) 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.
Other sources
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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2025-15271.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-28562?
The severity of ZDI-CAN-28562 is high due to the potential for remote code execution.
How do I fix ZDI-CAN-28562?
To fix ZDI-CAN-28562, update FontForge to the latest version that addresses this vulnerability.
What types of attacks are possible with ZDI-CAN-28562?
ZDI-CAN-28562 allows remote attackers to execute arbitrary code if a user opens a malicious file or visits a malicious page.
Is user interaction required to exploit ZDI-CAN-28562?
Yes, user interaction is required for exploiting ZDI-CAN-28562, as a user must open a malicious file or visit a harmful webpage.
Which software is affected by ZDI-CAN-28562?
The software affected by ZDI-CAN-28562 is FontForge.