CVE-2026-0849: 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…

PriorityP432medium6.8CVSS 3.1

AVPACLPRNUINSUCHIHAH

EPSS

0.24%

15.0th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
zephyrproject-rtos	zephyr	* – 4.3	—
zephyrproject	zephyr	—	—

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