CVE-2021-31571

CRITICAL

Amazon Freertos < 10.4.3 - Integer Overflow

Title source: rule
STIX 2.1

Description

The kernel in Amazon Web Services FreeRTOS before 10.4.3 has an integer overflow in queue.c for queue creation.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0021
EPSS Percentile 43.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (1)
amazon/freertos < 10.4.3
Published Apr 22, 2021
Tracked Since Feb 18, 2026