CVE-2021-29968

When drawing text onto a canvas with WebRender disabled, an out of bounds read could occur. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.0.1.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
mozillaCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 52%
VendorProductVersion
mozillafirefox
𝑥
< 89.0.1
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
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
mozjs38
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
mozjs52
jammy
dne
impish
dne
hirsute
dne
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
dne
trusty
dne
mozjs68
jammy
dne
impish
dne
hirsute
dne
groovy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
mozjs78
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
thunderbird
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne