CVE-2025-47868
Last modified
CVE-2025-47868 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Nuttx | >= 6.9, < 12.9.0 |
References
- https://github.com/apache/nuttx/pull/16000Issue Tracking, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/06/14/1Mailing List, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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