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Critical · 9.8 CVE-2025-47868 EUVD-2025-18391GHSA-fj9m-mxr3-fvf7

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

Published Jun 16, 2025 · Updated Jun 16, 2025 · Assigned by apache

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

VendorProductAffectedFixed
Apache Software Foundation Apache NuttX RTOS: tools/bdf-converter. 6.9 – < 12.9.0 12.9.0

References