Use After Free Affecting nuttx package, versions [,12.11.0-RC0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-NUTTX-14859527
- published4 Jan 2026
- disclosed1 Jan 2026
- creditLiu Richard Jiayang
Introduced: 1 Jan 2026
CVE-2025-48769 (opens in a new tab)How to fix?
Upgrade nuttx to version 12.11.0-RC0 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the pseudorename() and mountptrename() functions in fs/vfs/fs_rename.c. An attacker can write to previously freed heap memory and cause unintended filesystem rename/move operations by triggering recursive directory move operations.
Note: This vulnerability can also be exploited remotely via services with write access, especially when exposed over the network (i.e., FTP).