ZDI-25-1195: (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-2025-15269.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-1195?
ZDI-25-1195 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix ZDI-25-1195?
To fix ZDI-25-1195, update FontForge to the latest version that addresses this vulnerability.
Who is affected by ZDI-25-1195?
Users of FontForge are affected by ZDI-25-1195 if they have not applied security patches.
What types of attacks are possible with ZDI-25-1195?
ZDI-25-1195 allows remote attackers to execute arbitrary code after user interaction with a malicious file or page.
Is user interaction required to exploit ZDI-25-1195?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit ZDI-25-1195.