Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
6DescriptionCVE.org
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.
AnalysisAI
A buffer overflow vulnerability (CVSS 9.8). Critical severity with potential for significant impact on affected systems.
Technical ContextAI
CWE-122 (Heap-based Buffer Overflow). CVSS 9.8 indicates critical severity with likely remote exploitation vector.
RemediationAI
Monitor vendor channels for patch availability. Consider network segmentation to limit exposure if patching is delayed.
An issue was discovered in NuttX before 7.27. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable
Buffer overflow vulnerability in the Apache NuttX RTOS xmlrpc example application where device statistics structures use
Apache Nuttx Versions prior to 10.1.0 are vulnerable to integer wrap-around in functions malloc, realloc and memalign. R
Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.
The Apache NuttX (Incubating) project provides an optional separate "apps" repository which contains various optional co
Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.
Use After Free vulnerability was discovered in fs/vfs/fs_rename code of the Apache NuttX RTOS, that due recursive implem
Release of Invalid Pointer or Reference vulnerability was discovered in fs/inode/fs_inoderemove code of the Apache NuttX
Improper Restriction of Operations within the Bounds of a Memory Buffer and Stack-based Buffer Overflow vulnerabilities
Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today
EUVD-2025-18391