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.

Reserved 2025-05-12 | Published 2025-06-16 | Updated 2025-06-16 | Assigner apache

Problem types

CWE-787 Out-of-bounds Write

CWE-122 Heap-based Buffer Overflow

Product status

Default status
unaffected

6.9 before 12.9.0
affected

Credits

Chánh Phạm <chanhphamviet@gmail.com> finder

Nathan Hartman <hartman.nathan@gmail.com> remediation developer

Tomek CEDRO <tomek@cedro.info> coordinator

Alan Carvalho de Assis <acassis@gmail.com> remediation reviewer

Alin Jerpelea <jerpelea@gmail.com> remediation reviewer

Lee, Lup Yuen <luppy@appkaki.com> remediation reviewer

Arnout Engelen <engelen@apache.org> coordinator

References

github.com/apache/nuttx/pull/16000 patch

lists.apache.org/thread/p4o2lcqgspx3ws1n2p4wmoqbqow1w1pw vendor-advisory

cve.org (CVE-2025-47868)

nvd.nist.gov (CVE-2025-47868)

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