Mozilla Firefox before 53.0, Thunderbird before 52.1 or Firefox ESR 52.x before 52.1 :- Mozilla developers and community members Christian Holler, Jon Coppeard, Milan Sreckovic, Tyson Smith, Ronald Crane, Randell Jesup, Philipp, Tooru Fujisawa, and Kan-Ru Chen reported memory safety bugs present in Firefox and Firefox ESR. Some of these bugs showed evidence of memory corruption and we presume that ...