CVE-2021-3835

HIGH

Zephyr >= v2.6.0 - Heap-based Buffer Overflow

Title source: llm
STIX 2.1

Description

Buffer overflow in usb device class. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf

References (1)

Core 1
Core References

Scores

CVSS v3 8.2
EPSS 0.0012
EPSS Percentile 29.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H

Details

CWE
CWE-122 CWE-787
Status published
Products (2)
zephyrproject/zephyr 3.0.0 rc1 (2 CPE variants)
zephyrproject/zephyr 2.6.0 - 2.7.1
Published Feb 07, 2022
Tracked Since Feb 18, 2026