CVE-2026-0849
crypto: ATAES132A response length allows stack buffer overflow
CVSS Score
3.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-120 |
| Vendor | zephyrproject-rtos |
| Product | zephyr |
| Published | Mar 14, 2026 |
| Last Updated | Mar 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L Attack Vector
Physical
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
zephyrproject-rtos / Zephyr
* ≤ 4.3