Improper Validation of Array Index in FontForge - CVE-2025-15270

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Main Vulnerability Database Vulnerabilities #VU121111

Improper Validation of Array Index in FontForge - CVE-2025-15270

Published: January 8, 2026


Vulnerability identifier: #VU121111
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2025-15270
CWE-ID: CWE-129
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

FontForge
Anolis OS
Fedora
fontforge
fontforge-doc
fontforge (Red Hat package)
fontforge-devel

How to mitigate CVE-2025-15270

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

fontforge - addressed in versions 20200314-7.0.1, 20251009-1
fontforge-doc - addressed in versions 20200314-7.0.1, 20251009-1
fontforge (Red Hat package) - addressed in versions 20201107-7.el9_4, 20201107-8.el9_6, 20201107-8.el9_7, 20230101-15.el10_1
fontforge - addressed in versions 20230101-19.fc42, 20230101-20.fc43
fontforge-devel - update to 20251009-1

External References

Related Security Bulletins