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 attacker to corrupt kernel memory and potentially hijack execution.

CVSS v3 3.8 LOW

3.8^/10

CVSS v3 : LOW

Vector :

Exploitability : 0.4 / Impact : 3.4

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6	Exploit Patch Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6	Exploit Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	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::::::

History

No history.

Information

Published : 2026-03-16 14:18

Updated : 2026-06-17 10:11

NVD link : CVE-2026-0849

Mitre link : CVE-2026-0849

CVE.ORG link : CVE-2026-0849

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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