VULNERABILITY INTELLIGENCE

CVE-2021-3581

CVSS score7 HIGH

EPSS probability0.35%

CISA KEVNot currently listed

Published2021-10-05

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Description

Buffer Access with Incorrect Length Value in zephyr. Zephyr versions >= >=2.5.0 contain Buffer Access with Incorrect Length Value (CWE-805). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8q65-5gqf-fmw5

Weakness classification

CWE-805: Buffer Access with Incorrect Length Value
CWE-1284: Improper Validation of Specified Quantity in Input

Primary references

vulnerabilities@zephyrproject.org — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory