CVE-2025-15279: (0Day) FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
FontForge GUtils BMP 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 pixels within BMP 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 user. Was ZDI-CAN-27517.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-15279?
CVE-2025-15279 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-15279?
To fix CVE-2025-15279, update FontForge to the latest version where the vulnerability has been patched.
What types of attacks can exploit CVE-2025-15279?
CVE-2025-15279 can be exploited by attackers to execute arbitrary code on the affected system when a user opens a specially crafted BMP file.
Is user interaction required to exploit CVE-2025-15279?
Yes, user interaction is required as the vulnerability relies on the user opening a malicious BMP file.
Which software is affected by CVE-2025-15279?
CVE-2025-15279 affects installations of FontForge, specifically related to its GUtils BMP file parsing functionality.