Memory Leak Vulnerability in FontForge Software by FontForge
CVE-2025-50951

6.5MEDIUM

Key Information:

Vendor

FontForge

Status
FontForge
Vendor
CVE Published:
23 October 2025

What is CVE-2025-50951?

A memory leak has been identified in FontForge v20230101 specifically within the utf7toutf8_copy function located in /fontforge/sfd.c. This flaw can lead to inefficient memory usage, potentially degrading performance and causing exhaustion of available system memory over time. Proper mitigation strategies are essential to safeguard against the implications of this vulnerability.

References

https://github.com/fontforge/fontforge/pull/5495

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.