The table below lists FreeRTOS security updates and the corresponding Common Vulnerabilities and Exposures (CVE) number.

Date Created Severity FreeRTOS Library CVE Minimum Patched Version
9/5/2018 High Secure Sockets CVE-2018-16522 Amazon FreeRTOS v1.3.2
9/5/2018 High FreeRTOS+TCP CVE-2018-16523 Amazon FreeRTOS v1.3.2
9/5/2018 Medium FreeRTOS+TCP CVE-2018-16524 Amazon FreeRTOS v1.3.2
9/5/2018 High FreeRTOS+TCP CVE-2018-16525 Amazon FreeRTOS v1.3.2
9/5/2018 High FreeRTOS+TCP CVE-2018-16526 Amazon FreeRTOS v1.3.2
9/5/2018 Medium FreeRTOS+TCP CVE-2018-16527 Amazon FreeRTOS v1.3.2
9/5/2018 High Secure Sockets CVE-2018-16528 Amazon FreeRTOS v1.3.2
9/6/2018 Medium FreeRTOS+TCP CVE-2018-16598 Amazon FreeRTOS v1.3.2
9/6/2018 Medium FreeRTOS+TCP CVE-2018-16599 Amazon FreeRTOS v1.3.2
9/6/2018 Medium FreeRTOS+TCP CVE-2018-16600 Amazon FreeRTOS v1.3.2
9/6/2018 High FreeRTOS+TCP CVE-2018-16601 Amazon FreeRTOS v1.3.2
9/6/2018 Medium FreeRTOS+TCP CVE-2018-16602 Amazon FreeRTOS v1.3.2
9/6/2018 Medium FreeRTOS+TCP CVE-2018-16603 Amazon FreeRTOS v1.3.2
6/30/2019 High MQTT  CVE-2019-13120 Amazon FreeRTOS v1.4.9
4/22/2021 Critical
FreeRTOS Kernel  CVE-2021-31571 FreeRTOS Kernel v10.4.3
4/22/2021 Critical
FreeRTOS Kernel  CVE-2021-31572 FreeRTOS Kernel v10.4.3
5/3/2021 Critical
FreeRTOS Kernel  CVE-2021-32020 FreeRTOS Kernel v10.4.3
11/17/2021 High FreeRTOS Kernel
CVE-2021-43997 FreeRTOS Kernel v10.4.6‡, FreeRTOS Kernel v10.4.3-LTS- Patch-2

†All versions of FreeRTOS Kernel up to (excluding) v10.4.3
‡FreeRTOS Kernel versions from (including) 10.2.0 up to 10.4.6 (excluding)