# FreeRTOS Security Updates
<a name="security-updates"></a>

The table below lists FreeRTOS security updates and the corresponding [Common Vulnerabilities and Exposures](https://cve.mitre.org/) (CVE) number.


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| Date Created | Severity | FreeRTOS Library | CVE | Minimum Patched Version | 
| --- | --- | --- | --- | --- | 
| 2018-09-05 | High | Secure Sockets | [CVE-2018-16522](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16522) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-05 | High | FreeRTOS\+TCP | [CVE-2018-16523](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16523) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-05 | Medium | FreeRTOS\+TCP | [CVE-2018-16524](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16524) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-05 | High | FreeRTOS\+TCP | [CVE-2018-16525](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16525) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-05 | High | FreeRTOS\+TCP | [CVE-2018-16526](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16526) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-05 | Medium | FreeRTOS\+TCP | [CVE-2018-16527](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16527) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-05 | High | Secure Sockets | [CVE-2018-16528](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16528) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-06 | Medium | FreeRTOS\+TCP | [CVE-2018-16598](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16598) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-06 | Medium | FreeRTOS\+TCP | [CVE-2018-16599](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16599) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-06 | Medium | FreeRTOS\+TCP | [CVE-2018-16600](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16600) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-06 | High | FreeRTOS\+TCP | [CVE-2018-16601](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16601) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-06 | Medium | FreeRTOS\+TCP | [CVE-2018-16602](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16602) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2018-09-06 | Medium | FreeRTOS\+TCP | [CVE-2018-16603](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16603) | [Amazon FreeRTOS v1.3.2](https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md) | 
| 2019-06-30 | High | MQTT | [CVE-2019-13120](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13120) | [Amazon FreeRTOS v1.4.9](https://github.com/aws/amazon-freertos/blob/v1.4.9/CHANGELOG.md) | 
| 2021-04-22 | Critical | FreeRTOS Kernel | [CVE-2021-31571](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31571) | [FreeRTOS Kernel v10.4.3](https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/V10.4.3/History.txt)† | 
| 2021-04-22 | Critical | FreeRTOS Kernel | [CVE-2021-31572](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31572) | [FreeRTOS Kernel v10.4.3](https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/V10.4.3/History.txt)† | 
| 2021-05-03 | Critical | FreeRTOS Kernel | [CVE-2021-32020](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32020) | [FreeRTOS Kernel v10.4.3](https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/V10.4.3/History.txt)† | 
| 2021-11-17 | High | FreeRTOS Kernel | [CVE-2021-43997](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43997) |  [FreeRTOS Kernel v10.4.6](https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/V10.4.6/History.txt)‡,   [FreeRTOS Kernel v10.4.3-LTS-Patch-2](https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/V10.4.3-LTS-Patch-2/History.txt)  | 

†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)