Improper Validation of Array Index in FontForge - CVE-2025-15270
Published: January 8, 2026
Vulnerability identifier: #VU121111
CSH Severity: High
CVSS v4.0: 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-2025-15270
CWE-ID: CWE-129
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: fontforge.org
Affected software:
FontForge
FontForge
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to improper array index validation. A remote attacker can trick a victim to open a specially crafted SFD file and execute arbitrary code on the target system.
How to mitigate CVE-2025-15270
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.