Heap-based Buffer Overflow in FontForge SFD File Parsing
CVE-2025-15272

8.8HIGH

Key Information:

Vendor

Fontforge

Status
Fontforge
Vendor
CVE Published:
31 December 2025

What is CVE-2025-15272?

The vulnerability in FontForge arises from improper validation of user-supplied data length during the parsing of SFD files. This flaw allows attackers to exploit the system by executing arbitrary code if the target user visits a malicious webpage or opens a compromised file. Attackers can gain control within the context of the user's environment, leading to potential unauthorized actions.

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Affected Version(s)

FontForge aca4f524c6cb14cdc7bc4cd493492a33f5154797

References

https://www.zerodayinitiative.com/advisories/ZDI-25-1192/
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

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