Heap-based Buffer Overflow Affecting freebsd package, versions [,14.3.0-p16)[14.4.0,14.4.0-p7)[15.0.0,15.0.0-p11)[15.1.0,15.1.0-p1)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREEBSD-19427798
  • published29 Aug 2026
  • disclosed19 Aug 2026
  • creditUnknown

Introduced: 19 Aug 2026

NewCVE-2026-49430  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade freebsd to version 14.3.0-p16, 14.4.0-p7, 15.0.0-p11, 15.1.0-p1 or higher.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the ZFS_IOC_RECV_NEW ioctl during the heal receive process. An attacker can cause kernel memory corruption by sending a specially crafted receive stream in heal mode.

CVSS Base Scores

version 4.0
version 3.1