Use After Free Affecting freebsd package, versions [,14.3.0-p14)[14.4.0,14.4.0-p5)[15.0.0,15.0.0-p9)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (7th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREEBSD-16874115
  • published25 May 2026
  • disclosed21 May 2026
  • creditRyan

Introduced: 21 May 2026

CVE-2026-45251  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade freebsd to version 14.3.0-p14, 14.4.0-p5, 15.0.0-p9 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free in the handling of file descriptor syscalls such as poll or select. An attacker can execute arbitrary code with elevated privileges by closing a file descriptor while another thread is blocked waiting on it, causing the kernel to access freed memory.

References

CVSS Base Scores

version 4.0
version 3.1