Description of the potential vulnerability:Lack of appropriate exception handling in some receivers of the Telecom application allows attackers crash the system easily resulting in a possible DoS attack Affected versions: L(5.0/5.1), M(6.0) Disclosure status: Privately disclosed. The patch prevents system crashes by handling unexpected exceptions. Fix: http://security.samsungmobile.com/smrupdate.html#SMR-DEC-2016 SVE-2016-7119, SVE-2016-7120, and SVE-2016-7121: Possible Privilege Escalation in telecom Sincerely, Ant-financial Light-Year Security Lab