Buffer Overflow Affecting zephyrproject-rtos/zephyr package, versions [0,4.4.0-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-15670003
- published16 Mar 2026
- disclosed14 Mar 2026
- creditMaxime Rossi Bellom, Ramtine
Introduced: 14 Mar 2026
CVE-2026-0849 (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 ATAES132A response length handling process. An attacker can corrupt kernel memory and potentially hijack execution by sending a malformed response with an oversized length field to the affected driver.