#VU121101 Deserialization of Untrusted Data in FontForge - CVE-2025-15276

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Main Vulnerability Database Vulnerabilities #VU121101

#VU121101 Deserialization of Untrusted Data in FontForge - CVE-2025-15276

Published: January 8, 2026 / Updated: January 8, 2026


Vulnerability identifier: #VU121101
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-15276
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FontForge
Software vendor:
fontforge.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can trick a victim to open a specially crafted SFD file and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links