Out-of-bounds Write Affecting zephyrproject-rtos/zephyr package, versions [4.4.0-rc1,4.4.2-rc1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-ZEPHYRPROJECTRTOSZEPHYR-17954820
- published12 Jul 2026
- disclosed12 Jul 2026
- creditUnknown
Introduced: 12 Jul 2026
CVE-2026-10665 (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 wg_process_data_message process. An attacker can cause remote memory corruption or denial of service by sending specially crafted UDP datagrams with a payload length exceeding the configured buffer size, leading to out-of-bounds writes before authentication checks.