Infinite loop Affecting zephyrproject-rtos/zephyr package, versions [0,4.4.0-rc1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.18% (8th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-15670004
  • published16 Mar 2026
  • disclosed15 Mar 2026
  • credittempus-fuzzer

Introduced: 15 Mar 2026

CVE-2026-4179  (opens in a new tab)
CWE-835  (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 Infinite loop due to improper handling in the usb_dc_stm32.c interrupt handler. An attacker can cause the system to enter an infinite loop by triggering specific USB device events, resulting in loss of availability.

CVSS Base Scores

version 4.0
version 3.1