CVE-2025-15273: (0Day) FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
FontForge PFB File Parsing Stack-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 PFB files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28546.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-15273?
The severity of CVE-2025-15273 is classified as critical due to its potential for remote code execution.
How do I fix CVE-2025-15273?
To fix CVE-2025-15273, users should update to the latest version of FontForge that addresses this vulnerability.
What systems are affected by CVE-2025-15273?
CVE-2025-15273 affects installations of FontForge prior to the patch addressing this buffer overflow.
Is user interaction required to exploit CVE-2025-15273?
Yes, user interaction is required to exploit CVE-2025-15273 since the target must open a malicious PFB file.
What type of vulnerability is CVE-2025-15273?
CVE-2025-15273 is a stack-based buffer overflow vulnerability that can lead to remote code execution.