Magento has released nvew verison of Magento Open Source (formerly Community Edtion) and Magento Commerce (formerly Enterprise Edition) to patch various security issues:
- Magento Open Source and Magento Commerce 2.1.9
- Magento Open Source and Magento Commerce 2.0.16
- Magento Commerce 1.14.3.5
- Magento Open Source 1.9.3.6
- SUPEE-10266 (patch for earlier Magento 1.x versions)
More information about the security charges are available on the Magento Security Center: