CVE-2025-47868

CRITICAL EPSS 45.4%
Published Jun 16, 20251y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jun 16, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
45.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-122
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
apachenuttx*≥6.9  –  <12.9.0

References 3

  • openwall.com http://www.openwall.com/lists/oss-security/2025/06/14/1
    Mailing ListVendor Advisory
  • github.com https://github.com/apache/nuttx/pull/16000
    Issue TrackingThird Party Advisory
  • lists.apache.org https://lists.apache.org/thread/p4o2lcqgspx3ws1n2p4wmoqbqow1w1pw
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.