// For flags

CVE-2025-47868

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

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

*Credits: Chánh Phạm <chanhphamviet@gmail.com>, Nathan Hartman <hartman.nathan@gmail.com>, Tomek CEDRO <tomek@cedro.info>, Alan Carvalho de Assis <acassis@gmail.com>, Alin Jerpelea <jerpelea@gmail.com>, Lee, Lup Yuen <luppy@appkaki.com>, Arnout Engelen <engelen@apache.org>
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2025-05-12 CVE Reserved
  • 2025-06-16 CVE Published
  • 2025-06-16 CVE Updated
  • 2025-06-22 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-122: Heap-based Buffer Overflow
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache Software Foundation
Search vendor "Apache Software Foundation"
 Apache NuttX RTOS Tools/bdf-converter.
Search vendor "Apache Software Foundation" for product "Apache NuttX RTOS Tools/bdf-converter."
 >= 6.9.0 < 12.9.0
Search vendor "Apache Software Foundation" for product "Apache NuttX RTOS Tools/bdf-converter." and version " >= 6.9.0 < 12.9.0"
en
Affected