CVE-2021-3434

MEDIUM

Zephyr 2.5.0-2.5.9 - Stack-based Buffer Overflow in le_ecred_conn_req()

Title source: llm

Description

Stack based buffer overflow in le_ecred_conn_req(). Zephyr versions >= v2.5.0 Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm

Scores

CVSS v3 4.9

EPSS 0.0020

EPSS Percentile 10.3%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE

CWE-121 CWE-787

Status published

Products (1)

zephyrproject/zephyr 2.5.0 - 2.6.0

Published Jun 28, 2022

Tracked Since Feb 18, 2026