Out-of-bounds Write Affecting zephyrproject-rtos/zephyr package, versions [3.6.0,4.4.2-rc1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-17954401
  • published12 Jul 2026
  • disclosed11 Jul 2026
  • creditUnknown

Introduced: 11 Jul 2026

CVE-2026-10660  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade zephyrproject-rtos/zephyr to version 4.4.2-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write in the notify_handler process. An attacker can cause memory corruption and cross-connection data leakage by sending crafted notifications or long-read responses from multiple connected peripherals, leading to out-of-bounds writes and data mixing between connections.

CVSS Base Scores

version 4.0
version 3.1