CVE-2016-5211
A use after free in PDFium in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.
Date published : 2017-01-19
http://www.securityfocus.com/bid/94633
https://chromereleases.googleblog.com/2016/12/stable-channel-update-for-desktop.html