CVE-2025-15280
Use-After-Free in FontForge SFD Parsing Enables Remote Code Execution
Publication date: 2025-12-31
Last updated on: 2025-12-31
Assigner: Zero Day Initiative
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fontforge | fontforge | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a use-after-free flaw in FontForge's parsing of SFD files. It occurs because the software does not properly check if an object exists before operating on it, which can lead to memory being accessed after it has been freed. An attacker can exploit this by tricking a user into opening a malicious file or visiting a malicious webpage, allowing the attacker to execute arbitrary code on the victim's system with the same privileges as the current user. [1]
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an attacker to execute arbitrary code remotely on your system with the privileges of the current user. This could lead to unauthorized actions such as installing malware, stealing data, or taking control of the affected system. [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 could trigger the exploit. Ensure that FontForge installations are updated with patches addressing this use-after-free vulnerability once available. Additionally, restrict user privileges to limit the impact of potential exploitation. [1]