This indicates an attack attempt to exploit an Out Of Bounds Read Vulnerability in Google Chrome.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted request. A remote attacker may be able to exploit this to gain access to sensitive information, via a crafted request.
Google Chrome prior to 57.0.2987.98 for Linux
Google Chrome prior to 57.0.2987.98 for Windows
Google Chrome prior to 57.0.2987.98 for Mac
Google Chrome prior to 57.0.2987.108 for Android
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the most recent upgrade or patch from the vendor.