CVE-2025-47868CRITICAL 9.8EPSS p45.2%

CVE-2025-47868CVE-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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.63% probability of exploitation · percentile 45.2% · 2026-06-18T12:00:27Z
Published2025-06-16
Last modified2025-06-17

Underlying weaknesses· 2

CWE-122CWE-787

References

  1. https://github.com/apache/nuttx/pull/16000
  2. https://lists.apache.org/thread/p4o2lcqgspx3ws1n2p4wmoqbqow1w1pw
  3. http://www.openwall.com/lists/oss-security/2025/06/14/1

2

TypeTargetConfidenceTier
WeaknessHeap-based Buffer Overflowcwe-1220%live
WeaknessOut-of-bounds Writecwe-7870%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.