CVE-2017-7819
Published: 2 October 2017
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
upstream |
Released
(56.0)
|
| xenial |
Released
(56.0+build6-0ubuntu0.16.04.1)
|
|
| zesty |
Released
(56.0+build6-0ubuntu0.17.04.1)
|
|
| artful |
Released
(56.0+build6-0ubuntu1)
|
|
| bionic |
Released
(56.0+build6-0ubuntu1)
|
|
| trusty |
Released
(56.0+build6-0ubuntu0.14.04.1)
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
upstream |
Released
(52.4.0)
|
| xenial |
Released
(1:52.4.0+build1-0ubuntu0.16.04.2)
|
|
| zesty |
Released
(1:52.4.0+build1-0ubuntu0.17.04.2)
|
|
| artful |
Released
(1:52.4.0+build1-0ubuntu2)
|
|
| bionic |
Released
(1:52.4.0+build1-0ubuntu2)
|
|
| trusty |
Released
(1:52.4.0+build1-0ubuntu0.14.04.2)
|
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |