CVE-2021-3330

HIGH

Zephyr 2.4.0-2.4.9 - Out-of-bounds Write via Forged Fragment List Sorting

Title source: llm
STIX 2.1

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

References (1)

Core 1
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456

Scores

CVSS v3 7.1
EPSS 0.0059
EPSS Percentile 43.9%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Details

CWE
CWE-787
Status published
Products (1)
zephyrproject/zephyr 2.4.0 - 2.5.0
Published Oct 12, 2021
Tracked Since Feb 18, 2026