Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "71.0+build5-0ubuntu0.16.04.1",
"binary_name": "firefox"
},
{
"binary_version": "71.0+build5-0ubuntu0.16.04.1",
"binary_name": "firefox-dev"
},
{
"binary_version": "71.0+build5-0ubuntu0.16.04.1",
"binary_name": "firefox-geckodriver"
},
{
"binary_version": "71.0+build5-0ubuntu0.16.04.1",
"binary_name": "firefox-mozsymbols"
}
]
}{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2",
"binary_name": "thunderbird"
},
{
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2",
"binary_name": "thunderbird-dev"
},
{
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2",
"binary_name": "thunderbird-gnome-support"
},
{
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2",
"binary_name": "thunderbird-mozsymbols"
},
{
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2",
"binary_name": "xul-ext-calendar-timezones"
},
{
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2",
"binary_name": "xul-ext-gdata-provider"
},
{
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2",
"binary_name": "xul-ext-lightning"
}
]
}{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "71.0+build5-0ubuntu0.18.04.1",
"binary_name": "firefox"
},
{
"binary_version": "71.0+build5-0ubuntu0.18.04.1",
"binary_name": "firefox-dev"
},
{
"binary_version": "71.0+build5-0ubuntu0.18.04.1",
"binary_name": "firefox-geckodriver"
},
{
"binary_version": "71.0+build5-0ubuntu0.18.04.1",
"binary_name": "firefox-mozsymbols"
}
]
}{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "1:68.4.1+build1-0ubuntu0.18.04.1",
"binary_name": "thunderbird"
},
{
"binary_version": "1:68.4.1+build1-0ubuntu0.18.04.1",
"binary_name": "thunderbird-dev"
},
{
"binary_version": "1:68.4.1+build1-0ubuntu0.18.04.1",
"binary_name": "thunderbird-gnome-support"
},
{
"binary_version": "1:68.4.1+build1-0ubuntu0.18.04.1",
"binary_name": "thunderbird-mozsymbols"
},
{
"binary_version": "1:68.4.1+build1-0ubuntu0.18.04.1",
"binary_name": "xul-ext-calendar-timezones"
},
{
"binary_version": "1:68.4.1+build1-0ubuntu0.18.04.1",
"binary_name": "xul-ext-gdata-provider"
},
{
"binary_version": "1:68.4.1+build1-0ubuntu0.18.04.1",
"binary_name": "xul-ext-lightning"
}
]
}{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "71.0+build5-0ubuntu1",
"binary_name": "firefox"
},
{
"binary_version": "71.0+build5-0ubuntu1",
"binary_name": "firefox-dev"
},
{
"binary_version": "71.0+build5-0ubuntu1",
"binary_name": "firefox-geckodriver"
},
{
"binary_version": "71.0+build5-0ubuntu1",
"binary_name": "firefox-mozsymbols"
}
]
}{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "1:68.3.0+build2-0ubuntu1",
"binary_name": "thunderbird"
},
{
"binary_version": "1:68.3.0+build2-0ubuntu1",
"binary_name": "thunderbird-dev"
},
{
"binary_version": "1:68.3.0+build2-0ubuntu1",
"binary_name": "thunderbird-gnome-support"
},
{
"binary_version": "1:68.3.0+build2-0ubuntu1",
"binary_name": "thunderbird-mozsymbols"
},
{
"binary_version": "1:68.3.0+build2-0ubuntu1",
"binary_name": "xul-ext-calendar-timezones"
},
{
"binary_version": "1:68.3.0+build2-0ubuntu1",
"binary_name": "xul-ext-gdata-provider"
},
{
"binary_version": "1:68.3.0+build2-0ubuntu1",
"binary_name": "xul-ext-lightning"
}
]
}