Integer overflow in FontForge - CVE-2025-15278
Published: January 8, 2026
Vulnerability identifier: #VU121095
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-2025-15278
CWE-ID: CWE-190
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 execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the parsing of pixels. A remote attacker can trick a victim to open a specially crafted XBM file, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2025-15278
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.