ZDI-CAN-28198: ZDI-25-1187: (0Day) FontForge SFD File Parsing Deserialization of Untrusted Data 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 deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process.
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 7.8. The following CVEs are assigned: CVE-2025-15276.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-28198?
ZDI-CAN-28198 is considered a high severity vulnerability due to its potential for remote code execution.
How do I fix ZDI-CAN-28198?
To address ZDI-CAN-28198, ensure that you update FontForge to the latest version where the vulnerability has been patched.
Who is affected by ZDI-CAN-28198?
ZDI-CAN-28198 affects installations of FontForge that are not updated to the latest security version.
What type of attack is associated with ZDI-CAN-28198?
ZDI-CAN-28198 allows remote attackers to execute arbitrary code upon user interaction with malicious files or webpages.
Is user interaction required for ZDI-CAN-28198 exploitation?
Yes, user interaction is required to exploit ZDI-CAN-28198, as the target must visit a malicious page or open a malicious file.