Vulnerability · Published Jun 16, 2025 · Assigned by apache
CVE-2025-47868Apache NuttX RTOS: tools/bdf-converter.: tools/bdf-converter: Fix loop termination condition.
Critical 9.8
In plain English
A critical-severity out-of-bounds write in Apache NuttX RTOS: tools/bdf-converter. from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Official description
Out-of-bounds Write resulting in possible Heap-based Buffer Overflow vulnerability was discovered in tools/bdf-converter font conversion utility that is part of Apache NuttX RTOS repository. This standalone program is optional and neither part of NuttX RTOS nor Applications runtime, but active bdf-converter users may be affected when this tool is exposed to external provided user data data (i.e. publicly available automation). This issue affects Apache NuttX: from 6.9 before 12.9.0. Users are recommended to upgrade to version 12.9.0, which fixes the issue.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache NuttX RTOS: tools/bdf-converter. | 6.9 – before 12.9.0 |
Weakness: CWE-787, CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H