CVE-2022-46880
Published: 22 December 2022
A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
thunderbird
Launchpad, Ubuntu, Debian |
bionic |
Released
(1:102.7.1+build2-0ubuntu0.18.04.1)
|
| focal |
Released
(1:102.7.1+build2-0ubuntu0.20.04.1)
|
|
| jammy |
Released
(1:102.7.1+build2-0ubuntu0.22.04.1)
|
|
| kinetic |
Released
(1:102.7.1+build2-0ubuntu0.22.10.1)
|
|
| lunar |
Released
(1:102.7.1+build2-0ubuntu1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(1:102.6.0-1)
|
|
| xenial |
Ignored
(end of standard support)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |