CVE-2016-2830
Published: 3 August 2016
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers to track users by observing network traffic from multiple IP addresses.
Priority
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
precise |
Released
(48.0+build2-0ubuntu0.12.04.1)
|
trusty |
Released
(48.0+build2-0ubuntu0.14.04.1)
|
|
upstream |
Released
(48)
|
|
xenial |
Released
(48.0+build2-0ubuntu0.16.04.1)
|
|
thunderbird Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
|
trusty |
Does not exist
(trusty was not-affected)
|
|
upstream |
Not vulnerable
|
|
xenial |
Not vulnerable
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 4.3 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |