On 10th of October 2017, SAP Security Patch Day saw the release of 13 Security Notes. Additionally, there were 4 updates to previously released security notes.
Customers who would like to take a look at all Security Notes that are published or updated after the previous Patch Day see: https://support.sap.com/securitynotes -> All Security Notes -> Filter for notes which have been published after 12th September 2017.