Mozilla Firefox before 48.0, Firefox ESR < 45.4 and Thunderbird < 45.4 allow remote attackers to obtain sensitive information about the previously retrieved page via Resource Timing API calls.
48.0+build2-0ubuntu0.14.04.11:45.4.0+build1-0ubuntu0.14.04.148.0+build2-0ubuntu0.16.04.11:45.4.0+build1-0ubuntu0.16.04.1Exploitability
AV:NAC:LPR:NUI:RScope
S:UImpact
C:LI:NA:NCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N