CVE-2021-4127
Published: 22 December 2022
An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| mdeslaur | starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap |
| alexmurray | Only affects firefox-esr < 78.9 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(firefox-esr only)
|
| focal |
Not vulnerable
(firefox-esr only)
|
|
| jammy |
Not vulnerable
(firefox-esr only)
|
|
| kinetic |
Not vulnerable
(firefox-esr only)
|
|
| lunar |
Not vulnerable
(firefox-esr only)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Not vulnerable
(firefox-esr only)
|
|
| xenial |
Ignored
(end of standard support)
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of standard support, was needs-triage)
|
| focal |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Not vulnerable
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |