Medium severity · published Oct 23, 2025
CVE-2025-50951
FontForge v20230101 was discovered to contain a memory leak via the utf7toutf8_copy function at /fontforge/sfd.c
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
FontForge v20230101 was discovered to contain a memory leak via the utf7toutf8_copy function at /fontforge/sfd.c.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fontforge · Fontforge
2023-01-01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-50951
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-50951
Patch
https://github.com/fontforge/fontforge/pull/5495
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