CVE-2026-0849

MEDIUM EPSS 15.0%
Published Mar 16, 20263mo ago · Modified Jun 17, 20261w ago
6.8 CVSS 3.1
Medium
Find Similar
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.8
Exploitability
0.9
Impact
5.9
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Physical
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
15.0% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-120

Affected Products 4

VendorProductVersionRange
zephyrprojectzephyr4.3.0any
zephyrprojectzephyr4.3.0any
zephyrprojectzephyr4.3.0any
zephyrprojectzephyr4.3.0any

References 1

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

Remediation

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