CVE-2021-29977
Published: 15 July 2021
Mozilla developers reported memory safety bugs present in Firefox 89. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 90.
Notes
Author | Note |
---|---|
tyhicks |
mozjs contains a copy of the SpiderMonkey JavaScript engine |
Priority
Status
Package | Release | Status |
---|---|---|
firefox
Launchpad, Ubuntu, Debian |
bionic |
Released
(90.0+build1-0ubuntu0.18.04.1)
|
focal |
Released
(90.0+build1-0ubuntu0.20.04.1)
|
|
groovy |
Released
(90.0+build1-0ubuntu0.20.10.1)
|
|
hirsute |
Released
(90.0+build1-0ubuntu0.21.04.1)
|
|
impish |
Released
(90.0+build1-0ubuntu1)
|
|
jammy |
Released
(90.0+build1-0ubuntu1)
|
|
kinetic |
Released
(90.0+build1-0ubuntu1)
|
|
lunar |
Released
(90.0+build1-0ubuntu1)
|
|
mantic |
Released
(90.0+build1-0ubuntu1)
|
|
noble |
Released
(90.0+build1-0ubuntu1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(90)
|
|
xenial |
Ignored
(end of standard support, was needed)
|
|
mozjs38
Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Ignored
|
|
xenial |
Does not exist
|
|
mozjs52
Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
focal |
Ignored
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Ignored
|
|
xenial |
Does not exist
|
|
mozjs68
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Ignored
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Ignored
|
|
xenial |
Does not exist
|
|
mozjs78
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Ignored
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
lunar |
Ignored
(end of life, was needs-triage)
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Ignored
|
|
xenial |
Does not exist
|
|
thunderbird
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
focal |
Not vulnerable
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
kinetic |
Not vulnerable
|
|
lunar |
Not vulnerable
|
|
mantic |
Not vulnerable
|
|
noble |
Not vulnerable
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |