CVE-2025-15276
Deserialization RCE in FontForge SFD File Parsing
Publication date: 2025-12-31
Last updated on: 2025-12-31
Assigner: Zero Day Initiative
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fontforge | fontforge | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in FontForge involves improper validation of user-supplied data during the parsing of SFD files, leading to deserialization of untrusted data. This flaw allows remote attackers to execute arbitrary code within the context of the current process if a user interacts by opening a malicious file or visiting a malicious webpage. [1]
How can this vulnerability impact me? :
The vulnerability can allow attackers to execute arbitrary code on your system with the privileges of the FontForge process. This can lead to full compromise of confidentiality, integrity, and availability of your system or data, potentially resulting in data theft, corruption, or denial of service. [1]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, avoid opening untrusted SFD files or visiting untrusted webpages that may contain malicious FontForge files. Ensure that users are aware of the risk and do not interact with suspicious files or links. Applying any available patches or updates from FontForge once released is also recommended. [1]