CVE 2017-7064
An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. Safari before 10.1.2 is affected. iCloud before 6.2.2 on Windows is affected. iTunes before 12.6.2 on Windows is affected. The issue involves the "WebKit" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.
See the 
CVE page on Mitre.org
for more details.
