Magento 2.3.2, 2.2.9 e 2.1.18 Security Update

Magento Commerce and Open Source 2.3.2, 2.2.9 and 2.1.18 have released 75 security upgrades that help close Remote Code Execution (RCE), Cross-Site Scripting (XSS), and other vulnerabilities.
These improvements are described in three parts, you can consult them through the links below:

Part 1
https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13

Part 2
https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23

Part 3
https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33