Mozilla Firefox before 53.0, Thunderbird before 52.1, Firefox ESR before 45.9 or 52.x before 52.1 :- Mozilla developers and community members Christian Holler, Jon Coppeard, Marcia Knous, David Baron, Mats Palmgren, Ronald Crane, Bob Clary, and Chris Peterson reported memory safety bugs present in Firefox, Firefox ESR and Firefox ESR. Some of these bugs showed evidence of memory corruption and we ...