Memory leak in FontForge - CVE-2025-50951
Published: October 28, 2025
Vulnerability identifier: #VU117705
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-50951
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak within the utf7toutf8_copy() function in /fontforge/sfd.c. A remote attacker can force the application to leak memory and perform denial of service attack.
Affected software
FontForge
Fedora
fontforge
Fedora
fontforge
How to mitigate CVE-2025-50951
Install updates from vendor's website.
FontForge - update to 20251009
fontforge - addressed in versions 20230101-15.fc41, 20230101-16.fc42
fontforge - addressed in versions 20230101-15.fc41, 20230101-16.fc42