by Kastro
Paper/Archive/CVE-2025-47868

CVE-2025-47868

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

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 54.7.547 × 2010.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Apache NuttX RTOS: tools/bdf-converter.6.9 – < 12.9.012.9.0CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchgithub.com/apache/nuttx/pull/16000advisorylists.apache.org/thread/p4o2lcqgspx3ws1n2p4wmoqbqow1w1pwrefopenwall.com/lists/oss-security/2025/06/14/1