CVE-2025-15277: (0Day) FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
FontForge GUtils SGI 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 scanlines within SGI 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 process. Was ZDI-CAN-27920.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-15277?
CVE-2025-15277 is considered a high severity vulnerability due to the potential for remote code execution.
How do I fix CVE-2025-15277?
To mitigate CVE-2025-15277, it is recommended to update FontForge to the latest version provided by the vendor.
What type of vulnerability is CVE-2025-15277?
CVE-2025-15277 is categorized as a heap-based buffer overflow vulnerability that can lead to remote code execution.
What are the requirements for exploiting CVE-2025-15277?
Exploitation of CVE-2025-15277 requires user interaction to execute the malicious SGI file.
Which software versions are affected by CVE-2025-15277?
CVE-2025-15277 affects all installations of FontForge that utilize SGI file parsing.