CVE-2025-47868 - CVE House
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Status published Unknown CVE-2025-47868

Apache NuttX RTOS: tools/bdf-converter.: tools/bdf-converter: Fix loop termination condition.

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Chánh Phạm <chanhphamviet@gmail.com>
  • Nathan Hartman <hartman.nathan@gmail.com>
  • Tomek CEDRO <tomek@cedro.info>
  • Alan Carvalho de Assis <acassis@gmail.com>
  • Alin Jerpelea <jerpelea@gmail.com>
  • Lee, Lup Yuen <luppy@appkaki.com>
  • Arnout Engelen <engelen@apache.org>

Affected Vendor

Apache Software Foundation

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Affected Software

Apache NuttX RTOS: tools/bdf-converter.
Vulnerable Versions:
6.9

Timeline

Official Publish: June 16th, 2025
Last Modified: June 16th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)