Buffer Overflow Affecting zephyrproject-rtos/zephyr package, versions [,4.4.0-rc1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.22% (12th percentile)

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  • Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-15874417
  • published2 Apr 2026
  • disclosed28 Mar 2026
  • creditMaxime Rossi Bellom, Ramtine

Introduced: 28 Mar 2026

CVE-2026-1679  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade zephyrproject-rtos/zephyr to version 4.4.0-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Overflow via the eswifi socket offload driver. An attacker can corrupt kernel memory and potentially execute arbitrary code or cause a system crash by sending an oversized payload to the socket send API.

CVSS Base Scores

version 4.0
version 3.1