CVE-2017-5440
Published: 20 April 2017
A use-after-free vulnerability during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Priority
Status
Package | Release | Status |
---|---|---|
firefox
Launchpad, Ubuntu, Debian |
precise |
Ignored
|
trusty |
Released
(53.0+build6-0ubuntu0.14.04.1)
|
|
upstream |
Released
(53.0)
|
|
xenial |
Released
(53.0+build6-0ubuntu0.16.04.1)
|
|
yakkety |
Released
(53.0+build6-0ubuntu0.16.10.1)
|
|
zesty |
Released
(53.0+build6-0ubuntu0.17.04.1)
|
|
thunderbird
Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Released
(1:52.1.1+build1-0ubuntu0.14.04.1)
|
|
upstream |
Released
(52.1.1)
|
|
xenial |
Released
(1:52.1.1+build1-0ubuntu0.16.04.1)
|
|
yakkety |
Released
(1:52.1.1+build1-0ubuntu0.16.10.1)
|
|
zesty |
Released
(1:52.1.1+build1-0ubuntu0.17.04.1)
|
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 |