Ubuntu Security Notice USN-3356-1
https://packetstormsecurity.com/files/143406/USN-3356-1.txt
https://packetstormsecurity.com/files/143406/USN-3356-1.txthttps://packetstormsecurity.com/files/143406/Ubuntu-Security-Notice-USN-3356-1.htmlWed, 19 Jul 2017 23:26:00 GMTUbuntu Security Notice 3356-1 - It was discovered that Expat incorrectly handled certain external entities. A remote attacker could possibly use this issue to cause Expat to hang, resulting in a denial of service.