CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
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.
Analysis
A buffer overflow vulnerability (CVSS 9.8). Critical severity with potential for significant impact on affected systems.
Technical Context
CWE-122 (Heap-based Buffer Overflow). CVSS 9.8 indicates critical severity with likely remote exploitation vector.
Affected Products
['Unspecified product']
Remediation
Monitor vendor channels for patch availability. Consider network segmentation to limit exposure if patching is delayed.
Priority Score
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External POC / Exploit Code
Leaving vuln.today
EUVD-2025-18391