CVE-2023-0616
Published: 20 February 2023
If a MIME email combines OpenPGP and OpenPGP MIME data in a certain way Thunderbird repeatedly attempts to process and display the message, which could cause Thunderbird's user interface to lock up and no longer respond to the user's actions. An attacker could send a crafted message with this structure to attempt a DoS attack. This vulnerability affects Thunderbird < 102.8.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Released
(1:102.8.0+build2-0ubuntu0.18.04.1)
|
| focal |
Released
(1:102.8.0+build2-0ubuntu0.20.04.1)
|
|
| jammy |
Released
(1:102.8.0+build2-0ubuntu0.22.04.1)
|
|
| kinetic |
Released
(1:102.8.0+build2-0ubuntu0.22.10.1)
|
|
| lunar |
Not vulnerable
(1:102.10.0+build2-0ubuntu1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(1:102.8.0-1)
|
|
| 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 |