ZDI-CAN-28525: ZDI-25-1188: (0Day) FontForge SFD File Parsing Use-After-Free 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 validating the existence of an object prior to performing operations on the object. 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-2025-15280.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-28525?
The severity of ZDI-CAN-28525 is classified as critical due to its potential for remote code execution.
How do I fix ZDI-CAN-28525?
To fix ZDI-CAN-28525, update FontForge to the latest version provided by the vendor.
What systems are affected by ZDI-CAN-28525?
ZDI-CAN-28525 affects installations of FontForge across various operating systems.
Is user interaction required to exploit ZDI-CAN-28525?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
What type of vulnerability is ZDI-CAN-28525?
ZDI-CAN-28525 is a remote code execution vulnerability that allows attackers to execute arbitrary code.