CVE-2026-0849

crypto: ATAES132A response length allows stack buffer overflow

Published Mar 14, 2026 CVSS 3.1 · 3.8 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Zephyrproject
Zephyrproject zephyr
CPEs cpe:2.3:o:zephyrproject:zephyr:4.3.0:-:*:*:*:*:*:*
cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc1:*:*:*:*:*:*
cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc2:*:*:*:*:*:*
cpe:2.3:o:zephyrproject:zephyr:4.3.0:rc3:*:*:*:*:*:*
Vendors & Products Zephyrproject
Zephyrproject zephyr
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Zephyrproject-rtos
Zephyrproject-rtos zephyr
Vendors & Products Zephyrproject-rtos
Zephyrproject-rtos zephyr
Type Values Removed Values Added
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.
Title crypto: ATAES132A response length allows stack buffer overflow
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 3.8, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zephyr
Published
Updated
Oct 15, 2026, 10:09 PM
Reserved
Jan 11, 2026, 6:32 AM
Status
Analyzed
Published
Mar 16, 2026, 2:18 PM
Modified
Oct 15, 2026, 10:19 PM