CVE 2017-5087
A use after free in Blink in Google Chrome prior to 59.0.3071.104 for Mac, Windows, and Linux, and 59.0.3071.117 for Android, allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page, aka an IndexedDB sandbox escape.
See the 
CVE page on Mitre.org
for more details.
