CVE-2021-3322

PoC —

CVSS 3.1

6.5 medium

EPSS

<1%p44

Published

Oct 12, 2021 (Oct 12, 2021)

Modified

Jun 17, 2026

Description

Unexpected Pointer Aliasing in IEEE 802154 Fragment Reassembly in Zephyr. Zephyr versions >= >=2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p86r-gc4r-4mq3

Vendors: zephyrproject
Products: zephyr
Weakness: CWE-476
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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