CVE-2020-12407

Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content. This vulnerability affects Firefox < 77.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
mozillaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
VendorProductVersion
mozillafirefox
𝑥
< 77.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
noble
Fixed 77.0.1+build1-0ubuntu1
released
mantic
Fixed 77.0.1+build1-0ubuntu1
released
lunar
Fixed 77.0.1+build1-0ubuntu1
released
kinetic
Fixed 77.0.1+build1-0ubuntu1
released
jammy
Fixed 77.0.1+build1-0ubuntu1
released
impish
Fixed 77.0.1+build1-0ubuntu1
released
hirsute
Fixed 77.0.1+build1-0ubuntu1
released
groovy
Fixed 77.0.1+build1-0ubuntu1
released
focal
Fixed 77.0.1+build1-0ubuntu0.20.04.1
released
eoan
Fixed 77.0.1+build1-0ubuntu0.19.10.1
released
bionic
Fixed 77.0.1+build1-0ubuntu0.18.04.1
released
xenial
Fixed 77.0.1+build1-0ubuntu0.16.04.1
released
trusty
dne
mozjs38
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
mozjs52
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
ignored
focal
ignored
eoan
ignored
bionic
ignored
xenial
dne
trusty
dne
mozjs60
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
eoan
ignored
bionic
dne
xenial
dne
trusty
dne
mozjs68
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
ignored
focal
ignored
eoan
dne
bionic
dne
xenial
dne
trusty
dne