At the beginning of the new year, Google released the latest Android Security Bulletin in January 2018 and the latest Android Security Update Patch for Pixel and Nexus devices, all of which will be fixed at the patch level 2018-1-05 (or later) a total of 38 security issues. This patch is currently available for Nexus 5X, Nexus 6P, Pixel, Pixel XL, Pixel 2, Pixel 2 XL, and Pixel C users.
Publishing monthly updates for your device is an important step toward making Android users safe and secure. The January Android Security Bulletin in Google for a total of 38 major vulnerabilities has been fixed in the media framework has been a serious security problem has been fixed to allow remote attackers to use special processing files to license the process of execution of malicious source.
Reference: source.android.com