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CVE-2025-47868— Apache NuttX RTOS: tools/bdf-converter.: tools/bdf-converter: Fix loop termination condition.

Quick assessment

Affected
Apache Software Foundation Apache NuttX RTOS: tools/bdf-converter.
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache NuttX是美国阿帕奇（Apache）基金会的一套实时嵌入式操作系统。 Apache NuttX 6.9至12.9.0之前版本存在安全漏洞，该漏洞源于越界写入，可能导致堆缓冲区溢出。

AI Predicted 6.5 Difficulty: Easy EPSS 0.74% · P53
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I. Basic Information for CVE-2025-47868

Vulnerability Information
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Vulnerability Title
Apache NuttX RTOS: tools/bdf-converter.: tools/bdf-converter: Fix loop termination condition.
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Apache NuttX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache NuttX是美国阿帕奇（Apache）基金会的一套实时嵌入式操作系统。 Apache NuttX 6.9至12.9.0之前版本存在安全漏洞，该漏洞源于越界写入，可能导致堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache NuttX RTOS: tools/bdf-converter. 6.9 ~ 12.9.0 -

II. Public POCs for CVE-2025-47868

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III. Intelligence Information for CVE-2025-47868

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Mailing List Discussions for CVE-2025-47868 (1)

Same Patch Batch · Apache Software Foundation · 2025-06-16 · 6 CVEs total

CVE-2025-48976 Apache Commons FileUpload, Apache Commons FileUpload: FileUpload DoS via part headers
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CVE-2025-49125 Apache Tomcat: Security constraint bypass for pre/post-resources
CVE-2025-48988 Apache Tomcat: FileUpload large number of parts with headers DoS
CVE-2025-47869 Apache NuttX RTOS: examples/xmlrpc: Fix calls buffers size.

IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-787

V. Comments for CVE-2025-47868

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