CVE-2020-6795
Published: 2 March 2020
When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Released
(1:68.7.0+build1-0ubuntu0.18.04.1)
|
| eoan |
Released
(1:68.7.0+build1-0ubuntu0.19.10.1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(68.5.0)
|
|
| xenial |
Released
(1:68.7.0+build1-0ubuntu0.16.04.2)
|
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 |