Critical severity9.8NVD Advisory· Published Jun 16, 2025· Updated Jun 17, 2026
CVE-2025-47868
CVE-2025-47868
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.
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Affected products
3- Range: <12.9.0
- Apache Software Foundation/Apache NuttX RTOS: tools/bdf-converter.v5Range: 6.9
Patches
Vulnerability mechanics
References
3- www.openwall.com/lists/oss-security/2025/06/14/1nvdMailing ListVendor Advisory
- github.com/apache/nuttx/pull/16000nvdIssue TrackingThird Party Advisory
- lists.apache.org/thread/p4o2lcqgspx3ws1n2p4wmoqbqow1w1pwnvdVendor Advisory
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