CVE-2017-7753
Published: 10 August 2017
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Notes
Author | Note |
---|---|
tyhicks | mozjs38 contains a copy of the SpiderMonkey JavaScript engine |
Priority
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
artful |
Released
(55.0.2+build1-0ubuntu4)
|
bionic |
Released
(55.0.2+build1-0ubuntu4)
|
|
cosmic |
Released
(55.0.2+build1-0ubuntu4)
|
|
disco |
Released
(55.0.2+build1-0ubuntu4)
|
|
trusty |
Released
(55.0.1+build2-0ubuntu0.14.04.2)
|
|
upstream |
Released
(55.0)
|
|
xenial |
Released
(55.0.1+build2-0ubuntu0.16.04.2)
|
|
zesty |
Released
(55.0.1+build2-0ubuntu0.17.04.2)
|
|
mozjs38 Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
bionic |
Not vulnerable
(code not present)
|
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
zesty |
Ignored
(end of life)
|
|
thunderbird Launchpad, Ubuntu, Debian |
artful |
Released
(1:52.4.0+build1-0ubuntu2)
|
bionic |
Released
(1:52.4.0+build1-0ubuntu2)
|
|
cosmic |
Released
(1:52.4.0+build1-0ubuntu2)
|
|
disco |
Released
(1:52.4.0+build1-0ubuntu2)
|
|
trusty |
Released
(1:52.3.0+build1-0ubuntu0.14.04.1)
|
|
upstream |
Released
(52.3.0)
|
|
xenial |
Released
(1:52.3.0+build1-0ubuntu0.16.04.1)
|
|
zesty |
Released
(1:52.3.0+build1-0ubuntu0.17.04.1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.1 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |