Buffer Overflow Vulnerability in FontForge Product by FontForge
CVE-2025-15273

8.8HIGH

Key Information:

Vendor

Fontforge

Status
Fontforge
Vendor
CVE Published:
31 December 2025

What is CVE-2025-15273?

The vulnerability in FontForge originates from improper validation during the parsing of PFB files, leading to a stack-based buffer overflow. This flaw allows remote attackers to execute arbitrary code on affected systems when a user interacts with a malicious file or webpage. Successful exploitation could result in executing code with the privileges of the current user, posing significant security risks to installations of FontForge.

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Affected Version(s)

FontForge aca4f524c6cb14cdc7bc4cd493492a33f5154797

References

https://www.zerodayinitiative.com/advisories/ZDI-25-1191/
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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