CVE-2025-15269 FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability

High 8.8 Published 31 Dec 2025 Updated 31 Dec 2025

Remote attackers can execute arbitrary code by tricking users into opening malicious SFD files in FontForge due to a use-after-free flaw.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2025-15269?

CVE-2025-15269 is a high-severity use after free vulnerability in FontForge, published on 31 Dec 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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. Was ZDI-CAN-28564.

Weakness: CWE-416

Which versions are affected by CVE-2025-15269?

It affects 1 product.

Products include Fontforge Fontforge.

How do I fix CVE-2025-15269?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2025-15269 being exploited?

There is no known exploitation of CVE-2025-15269 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2025-15269, GHSA-8j84-3r78-7j5x, UBUNTU-CVE-2025-15269.