CVE-2017-5386

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 77%
VendorProductVersion
debiandebian_linux
8.0
redhatenterprise_linux
5.0
redhatenterprise_linux
6.0
redhatenterprise_linux
7.0
redhatenterprise_linux_desktop
5.0
redhatenterprise_linux_desktop
6.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
5.0
redhatenterprise_linux_server
6.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.3
redhatenterprise_linux_server_aus
7.4
redhatenterprise_linux_server_eus
7.3
redhatenterprise_linux_server_eus
7.4
redhatenterprise_linux_server_eus
7.5
redhatenterprise_linux_workstation
5.0
redhatenterprise_linux_workstation
6.0
redhatenterprise_linux_workstation
7.0
mozillafirefox
𝑥
< 51.0
mozillafirefox_esr
𝑥
< 45.7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
firefox-esr
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
128.4.0esr-1~deb11u1
fixed
bookworm
115.14.0esr-1~deb12u1
fixed
bookworm (security)
128.4.0esr-1~deb12u1
fixed
trixie
128.3.1esr-2
fixed
sid
128.4.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
zesty
Fixed 52.0.1+build2-0ubuntu1
released
yakkety
Fixed 51.0.1+build2-0ubuntu0.16.10.1
released
xenial
Fixed 51.0.1+build2-0ubuntu0.16.04.1
released
trusty
Fixed 51.0.1+build2-0ubuntu0.14.04.1
released
precise
Fixed 51.0.1+build2-0ubuntu0.12.04.1
released
thunderbird
zesty
not-affected
yakkety
not-affected
xenial
not-affected
trusty
dne
precise
not-affected