Improper Validation of Array Index in FontForge - CVE-2025-15271
Published: January 8, 2026
Vulnerability identifier: #VU121110
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-2025-15271
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
fontforge
fontforge-devel
fontforge-doc
Anolis OS
fontforge
fontforge-devel
fontforge-doc
How to mitigate CVE-2025-15271
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
fontforge - update to 20251009-1
fontforge-devel - update to 20251009-1
fontforge-doc - update to 20251009-1
fontforge-devel - update to 20251009-1
fontforge-doc - update to 20251009-1