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.

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

.