Remote Code Execution Vulnerability in FontForge SFD File Parsing by FontForge
CVE-2025-15271

8.8HIGH

Key Information:

Vendor

Fontforge

Status
Fontforge
Vendor
CVE Published:
31 December 2025

What is CVE-2025-15271?

A vulnerability exists in FontForge related to the parsing of SFD files, where the application fails to properly validate user-supplied array indices. This flaw permits remote attackers to execute arbitrary code on affected installations by enticing users to visit a malicious page or open a malicious SFD file. The lack of validation may allow an attacker to write beyond the allocated boundaries of memory, leading to potential code execution in the context of the victim's user account.

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Affected Version(s)

FontForge aca4f524c6cb14cdc7bc4cd493492a33f5154797

References

https://www.zerodayinitiative.com/advisories/ZDI-25-1193/
x_research-advisory

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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