CVE-2026-0849

medium

Description

Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6

Details

Source: Mitre, NVD

Published: 2026-03-16

Updated: 2026-04-02

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 6.8

Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Medium

EPSS

EPSS: 0.00015