This indicates an attack attempt to exploit a Memory Corruption vulnerability in Google Chrome.
This issue is caused by an error in the vulnerable software when it handles a malformed PDF file containing JPEG-2000 image. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted PDF file.
Google Chrome versions before 51.0.2704.63
System Compromise: Remote attackers can gain control of vulnerable systems.
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