CVE-2017-7756
Published: 14 June 2017
A use-after-free and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests (XHR). This could result 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 |
trusty |
Released
(54.0+build3-0ubuntu0.14.04.1)
|
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)
|
|
thunderbird
Launchpad, Ubuntu, Debian |
trusty |
Released
(1:52.2.1+build1-0ubuntu0.14.04.1)
|
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)
|
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 |