CVE-2017-7749
Published: 14 June 2017
A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
upstream |
Released
(54.0)
|
| xenial |
Released
(54.0+build3-0ubuntu0.16.04.1)
|
|
| yakkety |
Released
(54.0+build3-0ubuntu0.16.10.1)
|
|
| zesty |
Released
(54.0+build3-0ubuntu0.17.04.1)
|
|
| trusty |
Released
(54.0+build3-0ubuntu0.14.04.1)
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
upstream |
Released
(52.2.0)
|
| xenial |
Released
(1:52.2.1+build1-0ubuntu0.16.04.1)
|
|
| yakkety |
Released
(1:52.2.1+build1-0ubuntu0.16.10.1)
|
|
| zesty |
Released
(1:52.2.1+build1-0ubuntu0.17.04.1)
|
|
| trusty |
Released
(1:52.2.1+build1-0ubuntu0.14.04.1)
|
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 |