CVE-2017-16813
A denial-of-service issue was discovered in the Foxit MobilePDF app before 6.1 for iOS. This occurs when a user uploads a file that includes a hexadecimal Unicode character in the "filename" parameter via Wi-Fi, since the app could fail to parse this.
Date published : 2018-02-26
https://www.foxitsoftware.com/support/security-bulletins.php