CVE-2021-3330

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p47

Published

Oct 12, 2021 (Oct 12, 2021)

Modified

Jun 17, 2026

Description

RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr. Zephyr versions >= >=2.4.0 contain Out-of-bounds Write (CWE-787). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456

Vendors: zephyrproject
Products: zephyr
Weakness: CWE-787
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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