An issue where a "<select>" dropdown menu can be used to cover location bar content, resulting in potential spoofing attacks. This attack requires e10s to be enabled in order to function. This vulnerability affects Firefox < 50.
{
"availability": "No subscription required",
"binaries": [
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"binary_version": "50.0+build2-0ubuntu0.14.04.2",
"binary_name": "firefox"
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