Gentoo Linux Security Advisory 201512-10 - Multiple vulnerabilities have been found in Mozilla Firefox and Thunderbird, the worst of which may allow user-assisted execution of arbitrary code. Versions less than 38.5.0 are affected.
8b345c71a57deda9f0a8d7eb50719b94a327aadac84155e9eb75aa9517d6449e
Ubuntu Security Notice 2557-1 - Muneaki Nishimura discovered a flaw in Mozilla's HTTP Alternative Services implementation which meant SSL certificate verification could be bypassed in some circumstances. A remote attacker could potentially exploit this to conduct a man in the middle attack.
a1a035871c4334114b6ff842b6f02d425f02c680d8dc9d5234778f6a4321ed32