CVE-2022-3266
Published: 28 September 2022
An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
Notes
| Author | Note |
|---|---|
| mdeslaur | starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
lunar |
Not vulnerable
(code not present)
|
| kinetic |
Not vulnerable
(code not present)
|
|
| jammy |
Not vulnerable
(code not present)
|
|
| bionic |
Released
(105.0+build2-0ubuntu0.18.04.1)
|
|
| focal |
Released
(105.0+build2-0ubuntu0.20.04.1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
focal |
Released
(1:102.4.2+build2-0ubuntu0.20.04.1)
|
| jammy |
Released
(1:102.4.2+build2-0ubuntu0.22.04.1)
|
|
| kinetic |
Released
(1:102.4.2+build2-0ubuntu0.22.10.1)
|
|
| lunar |
Not vulnerable
(1:102.3.3+build1-0ubuntu1)
|
|
| upstream |
Released
(102.3)
|
|
| xenial |
Ignored
(end of standard support)
|
|
| bionic |
Released
(1:102.4.2+build2-0ubuntu0.18.04.1)
|
|
| trusty |
Ignored
(end of standard support)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |