CVE-2017-5403
Published: 7 March 2017
When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.
Priority
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
precise |
Released
(52.0+build2-0ubuntu0.12.04.1)
|
trusty |
Released
(52.0+build2-0ubuntu0.14.04.1)
|
|
upstream |
Released
(52.0)
|
|
xenial |
Released
(52.0+build2-0ubuntu0.16.04.1)
|
|
yakkety |
Released
(52.0+build2-0ubuntu0.16.10.1)
|
|
zesty |
Released
(52.0.1+build2-0ubuntu1)
|
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 |