https://wordpress.org/news/2018/02/the-month-in-wordpress-january-2018/
Things got off to a gradual start in 2018 with momentum starting to pick up over the course of the month. There were some notable developments in January, including a new point release and work being done on other important areas of the WordPress project.
WordPress 4.9.2 Security and Maintenance Release
On January 16, WordPress 4.9.2 was released to fix
Source: Security Feed